diff --git a/CMakeLists.txt b/CMakeLists.txt
index 17f991645..7636279c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -89,10 +89,10 @@ endif()
 find_package(OpenSSL REQUIRED)
 
 # Mandatory: KF5
-find_package(KF5 REQUIRED COMPONENTS I18n Archive)
-
-# Optional: KWallet, KIO, KCrash, KCoreAddons
 set(KF5_MIN_VERSION "5.54.0")
+find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS I18n Archive)
+
+# Optional: KWallet, KIO, KCrash, KCoreAddons, KPurpose
 find_package(KF5Wallet ${KF5_MIN_VERSION} CONFIG)
 set_package_properties(KF5Wallet PROPERTIES DESCRIPTION "KDE Frameworks Integration plugin" TYPE OPTIONAL)
 find_package(KF5KIO ${KF5_MIN_VERSION} CONFIG)
diff --git a/src/lib/Messages.sh b/src/lib/Messages.sh
index 5fdebeedd..2f54702d1 100644
--- a/src/lib/Messages.sh
+++ b/src/lib/Messages.sh
@@ -1,3 +1,3 @@
 #! /bin/sh
 $EXTRACTRC `find . -name \*.ui` >> rc.cpp
-$EXTRACT_TR_STRINGS `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon.pot
+$XGETTEXT `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon.pot
diff --git a/src/plugins/AutoScroll/CMakeLists.txt b/src/plugins/AutoScroll/CMakeLists.txt
index dc3aaa18f..c7d06bd06 100644
--- a/src/plugins/AutoScroll/CMakeLists.txt
+++ b/src/plugins/AutoScroll/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_definitions(-DTRANSLATION_DOMAIN="falkon_autoscroll")
+
 set( AutoScroll_SRCS
 	autoscrollplugin.cpp
 	autoscroller.cpp
@@ -5,12 +7,10 @@ set( AutoScroll_SRCS
 	autoscrollsettings.cpp
 	)
 
-ecm_create_qm_loader( AutoScroll_SRCS falkon_autoscroll_qt )
-
 set( AutoScroll_UIS
 	autoscrollsettings.ui
 	)
-qt5_wrap_ui(UIS ${AutoScroll_UIS})
+ki18n_wrap_ui(UIS ${AutoScroll_UIS})
 
 set( AutoScroll_RSCS
 	autoscroll.qrc
diff --git a/src/plugins/AutoScroll/Messages.sh b/src/plugins/AutoScroll/Messages.sh
index 2b999bd31..362bd6e3a 100644
--- a/src/plugins/AutoScroll/Messages.sh
+++ b/src/plugins/AutoScroll/Messages.sh
@@ -1,2 +1,2 @@
 #! /bin/sh
-$EXTRACT_TR_STRINGS `find . -name '*.cpp' -o -name '*.h' -o -name '*.ui'` -o $podir/falkon_autoscroll_qt.pot
+$XGETTEXT `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon_autoscroll.pot
diff --git a/src/plugins/FlashCookieManager/CMakeLists.txt b/src/plugins/FlashCookieManager/CMakeLists.txt
index e39f31c62..cb9c30291 100644
--- a/src/plugins/FlashCookieManager/CMakeLists.txt
+++ b/src/plugins/FlashCookieManager/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_definitions(-DTRANSLATION_DOMAIN="falkon_flashcookiemanager")
+
 set( FlashCookieManager_SRCS
 	fcm_plugin.cpp
 	fcm_dialog.cpp
@@ -10,7 +12,7 @@ set( FlashCookieManager_UIS
 	fcm_dialog.ui
 	fcm_notification.ui
 	)
-qt5_wrap_ui(UIS ${FlashCookieManager_UIS})
+ki18n_wrap_ui(UIS ${FlashCookieManager_UIS})
 
 set( FlashCookieManager_RSCS
 	flashcookiemanager.qrc
diff --git a/src/plugins/FlashCookieManager/Messages.sh b/src/plugins/FlashCookieManager/Messages.sh
index 9b324ea0f..f6cef605d 100644
--- a/src/plugins/FlashCookieManager/Messages.sh
+++ b/src/plugins/FlashCookieManager/Messages.sh
@@ -1,2 +1,2 @@
 #! /bin/sh
-$EXTRACT_TR_STRINGS `find . -name '*.cpp' -o -name '*.h' -o -name '*.ui'` -o $podir/falkon_flashcookiemanager_qt.pot
+$XGETTEXT `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon_flashcookiemanager.pot
diff --git a/src/plugins/FlashCookieManager/fcm_dialog.cpp b/src/plugins/FlashCookieManager/fcm_dialog.cpp
index 213f5f395..816e5c512 100644
--- a/src/plugins/FlashCookieManager/fcm_dialog.cpp
+++ b/src/plugins/FlashCookieManager/fcm_dialog.cpp
@@ -31,6 +31,8 @@
 #include <QCloseEvent>
 #include <QMenu>
 
+#include <KLocalizedString>
+
 FCM_Dialog::FCM_Dialog(FCM_Plugin* manager, QWidget* parent)
     : QDialog(parent, Qt::WindowStaysOnTopHint)
     , ui(new Ui::FCM_Dialog)
@@ -73,7 +75,7 @@ FCM_Dialog::FCM_Dialog(FCM_Plugin* manager, QWidget* parent)
 
     ui->labelNotification->setEnabled(ui->autoMode->isChecked());
 
-    ui->search->setPlaceholderText(tr("Search"));
+    ui->search->setPlaceholderText(i18n("Search"));
     ui->flashCookieTree->setDefaultItemShowMode(TreeWidget::ItemsCollapsed);
     ui->flashCookieTree->sortItems(0, Qt::AscendingOrder);
     ui->flashCookieTree->header()->setDefaultSectionSize(220);
@@ -90,8 +92,8 @@ FCM_Dialog::FCM_Dialog(FCM_Plugin* manager, QWidget* parent)
 
 void FCM_Dialog::removeAll()
 {
-    QMessageBox::StandardButton button = QMessageBox::warning(this, tr("Confirmation"),
-                                         tr("Are you sure you want to delete all flash cookies on your computer?"), QMessageBox::Yes | QMessageBox::No);
+    QMessageBox::StandardButton button = QMessageBox::warning(this, i18n("Confirmation"),
+                                         i18n("Are you sure you want to delete all flash cookies on your computer?"), QMessageBox::Yes | QMessageBox::No);
     if (button != QMessageBox::Yes) {
         return;
     }
@@ -148,12 +150,12 @@ void FCM_Dialog::currentItemChanged(QTreeWidgetItem* current, QTreeWidgetItem* p
     ui->textEdit->clear();
     const QVariant data = current->data(0, Qt::UserRole + 10);
     if (data.isNull()) {
-        ui->name->setText(tr("<flash cookie not selected>"));
-        ui->size->setText(tr("<flash cookie not selected>"));
-        ui->server->setText(tr("<flash cookie not selected>"));
-        ui->lastModified->setText(tr("<flash cookie not selected>"));
+        ui->name->setText(i18n("<flash cookie not selected>"));
+        ui->size->setText(i18n("<flash cookie not selected>"));
+        ui->server->setText(i18n("<flash cookie not selected>"));
+        ui->lastModified->setText(i18n("<flash cookie not selected>"));
 
-        ui->removeOne->setText(tr("Remove flash cookies"));
+        ui->removeOne->setText(i18n("Remove flash cookies"));
         ui->path->hide();
         ui->labelPath->hide();
         return;
@@ -163,16 +165,16 @@ void FCM_Dialog::currentItemChanged(QTreeWidgetItem* current, QTreeWidgetItem* p
 
     QString suffix;
     if (flashCookie.path.startsWith(m_manager->flashPlayerDataPath() + QL1S("/macromedia.com/support/flashplayer/sys"))) {
-        suffix = tr(" (settings)");
+        suffix = i18n(" (settings)");
     }
     ui->name->setText(flashCookie.name + suffix);
-    ui->size->setText(QString::number(flashCookie.size) + tr(" Byte"));
+    ui->size->setText(QString::number(flashCookie.size) + i18n(" Byte"));
     ui->textEdit->setPlainText(flashCookie.contents);
     ui->server->setText(flashCookie.origin);
     ui->path->setText(QString("<a href=\"%1\">%2</a>").arg(QUrl::fromLocalFile(flashCookie.path).toString()).arg(QDir::toNativeSeparators(flashCookie.path)));
     ui->lastModified->setText(flashCookie.lastModification.toString());
 
-    ui->removeOne->setText(tr("Remove flash cookie"));
+    ui->removeOne->setText(i18n("Remove flash cookie"));
 
     ui->labelPath->show();
     ui->path->show();
@@ -234,11 +236,11 @@ void FCM_Dialog::refreshFlashCookiesTree()
 
         QString suffix;
         if (flashCookie.path.startsWith(m_manager->flashPlayerDataPath() + QL1S("/macromedia.com/support/flashplayer/sys"))) {
-            suffix = tr(" (settings)");
+            suffix = i18n(" (settings)");
         }
 
         if (m_manager->newCookiesList().contains(flashCookie.path + QL1C('/') + flashCookie.name)) {
-            suffix += tr(" [new]");
+            suffix += i18n(" [new]");
             QFont font = item->font(0);
             font.setBold(true);
             item->setFont(0, font);
@@ -274,7 +276,7 @@ void FCM_Dialog::refreshFilters()
 
 void FCM_Dialog::addWhitelist()
 {
-    const QString origin = QInputDialog::getText(this, tr("Add to whitelist"), tr("Origin:"));
+    const QString origin = QInputDialog::getText(this, i18n("Add to whitelist"), i18n("Origin:"));
 
     addWhitelist(origin);
 }
@@ -286,7 +288,7 @@ void FCM_Dialog::addWhitelist(const QString &origin)
     }
 
     if (!ui->blackList->findItems(origin, Qt::MatchFixedString).isEmpty()) {
-        QMessageBox::information(this, tr("Already whitelisted!"), tr("The server \"%1\" is already in blacklist, please remove it first.").arg(origin));
+        QMessageBox::information(this, i18n("Already whitelisted!"), i18n("The server \"%1\" is already in blacklist, please remove it first.", origin));
         return;
     }
 
@@ -302,7 +304,7 @@ void FCM_Dialog::removeWhitelist()
 
 void FCM_Dialog::addBlacklist()
 {
-    const QString origin = QInputDialog::getText(this, tr("Add to blacklist"), tr("Origin:"));
+    const QString origin = QInputDialog::getText(this, i18n("Add to blacklist"), i18n("Origin:"));
 
     addBlacklist(origin);
 }
@@ -314,7 +316,7 @@ void FCM_Dialog::addBlacklist(const QString &origin)
     }
 
     if (!ui->whiteList->findItems(origin, Qt::MatchFixedString).isEmpty()) {
-        QMessageBox::information(this, tr("Already whitelisted!"), tr("The origin \"%1\" is already in whitelist, please remove it first.").arg(origin));
+        QMessageBox::information(this, i18n("Already whitelisted!"), i18n("The origin \"%1\" is already in whitelist, please remove it first.", origin));
         return;
     }
 
@@ -371,8 +373,8 @@ void FCM_Dialog::reloadFromDisk()
 void FCM_Dialog::cookieTreeContextMenuRequested(const QPoint &pos)
 {
     QMenu menu;
-    QAction* actAddBlacklist = menu.addAction(tr("Add to blacklist"));
-    QAction* actAddWhitelist = menu.addAction(tr("Add to whitelist"));
+    QAction* actAddBlacklist = menu.addAction(i18n("Add to blacklist"));
+    QAction* actAddWhitelist = menu.addAction(i18n("Add to whitelist"));
 
     QTreeWidgetItem* item = ui->flashCookieTree->itemAt(pos);
 
diff --git a/src/plugins/FlashCookieManager/fcm_notification.cpp b/src/plugins/FlashCookieManager/fcm_notification.cpp
index 3f8545523..5d0219f90 100644
--- a/src/plugins/FlashCookieManager/fcm_notification.cpp
+++ b/src/plugins/FlashCookieManager/fcm_notification.cpp
@@ -20,6 +20,8 @@
 #include "iconprovider.h"
 #include "fcm_plugin.h"
 
+#include <KLocalizedString>
+
 FCM_Notification::FCM_Notification(FCM_Plugin* manager, int newOriginsCount)
     : AnimatedWidget(AnimatedWidget::Down, 300, 0)
     , ui(new Ui::FCM_Notification)
@@ -31,10 +33,10 @@ FCM_Notification::FCM_Notification(FCM_Plugin* manager, int newOriginsCount)
     ui->close->setIcon(IconProvider::standardIcon(QStyle::SP_DialogCloseButton));
 
     if (newOriginsCount == 1) {
-        ui->textLabel->setText(tr("A new flash cookie was detected"));
+        ui->textLabel->setText(i18n("A new flash cookie was detected"));
     }
     else {
-        ui->textLabel->setText(tr("%1 new flash cookies were detected").arg(newOriginsCount));
+        ui->textLabel->setText(i18n("%1 new flash cookies were detected", newOriginsCount));
     }
     connect(ui->buttonView, SIGNAL(clicked()), m_manager, SLOT(showFlashCookieManager()));
     connect(ui->buttonView, SIGNAL(clicked()), this, SLOT(hide()));
diff --git a/src/plugins/FlashCookieManager/fcm_plugin.cpp b/src/plugins/FlashCookieManager/fcm_plugin.cpp
index 7603a87f2..e2205721b 100644
--- a/src/plugins/FlashCookieManager/fcm_plugin.cpp
+++ b/src/plugins/FlashCookieManager/fcm_plugin.cpp
@@ -34,6 +34,8 @@
 #include <QDir>
 #include <QMenu>
 
+#include <KLocalizedString>
+
 #if defined(Q_OS_WIN) || defined(Q_OS_OS2)
 #include <QProcessEnvironment>
 #endif
@@ -55,7 +57,7 @@ public:
 
     QString name() const override
     {
-        return tr("Flash Cookie Manager button");
+        return i18n("Flash Cookie Manager button");
     }
 };
 
@@ -123,7 +125,7 @@ void FCM_Plugin::showSettings(QWidget* parent)
 
 void FCM_Plugin::populateExtensionsMenu(QMenu* menu)
 {
-    QAction* showFCM = new QAction(QIcon(":/flashcookiemanager/data/flash-cookie-manager.png"), tr("Flash Cookie Manager"), menu);
+    QAction* showFCM = new QAction(QIcon(":/flashcookiemanager/data/flash-cookie-manager.png"), i18n("Flash Cookie Manager"), menu);
     connect(showFCM, &QAction::triggered, this, &FCM_Plugin::showFlashCookieManager);
     menu->addAction(showFCM);
 }
@@ -353,8 +355,8 @@ AbstractButtonInterface* FCM_Plugin::createStatusBarIcon(BrowserWindow* mainWind
 
     FCM_Button* icon = new FCM_Button(this);
     icon->setIcon(QIcon(QSL(":/flashcookiemanager/data/flash-cookie-manager.png")));
-    icon->setTitle(tr("Flash Cookie Manager"));
-    icon->setToolTip(tr("Show Flash Cookie Manager"));
+    icon->setTitle(i18n("Flash Cookie Manager"));
+    icon->setToolTip(i18n("Show Flash Cookie Manager"));
     connect(icon, &AbstractButtonInterface::clicked, this, &FCM_Plugin::showFlashCookieManager);
 
     m_statusBarIcons.insert(mainWindow, icon);
@@ -435,7 +437,7 @@ QString FCM_Plugin::extractOriginFrom(const QString &path)
     else if (path.startsWith(flashPlayerDataPath() + QL1S("/macromedia.com/support/flashplayer/sys/"))) {
         origin.remove(flashPlayerDataPath() + QL1S("/macromedia.com/support/flashplayer/sys/"));
         if (origin == QL1S("settings.sol")) {
-            return tr("!default");
+            return i18n("!default");
         }
         else if (origin.startsWith(QL1C('#'))) {
             origin.remove(0, 1);
@@ -447,7 +449,7 @@ QString FCM_Plugin::extractOriginFrom(const QString &path)
 
     int index = origin.indexOf(QL1C('/'));
     if (index == -1) {
-        return tr("!other");
+        return i18n("!other");
     }
     origin = origin.remove(index, origin.size());
     if (origin == QL1S("localhost") || origin == QL1S("local")) {
diff --git a/src/plugins/GreaseMonkey/CMakeLists.txt b/src/plugins/GreaseMonkey/CMakeLists.txt
index a945ed608..a63d090c5 100644
--- a/src/plugins/GreaseMonkey/CMakeLists.txt
+++ b/src/plugins/GreaseMonkey/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_definitions(-DTRANSLATION_DOMAIN="falkon_greasemonkey")
+
 include_directories(settings)
 
 set( GreaseMonkey_SRCS
@@ -15,15 +17,13 @@ set( GreaseMonkey_SRCS
 	settings/gm_settingslistwidget.cpp
 	)
 
-ecm_create_qm_loader( GreaseMonkey_SRCS falkon_greasemonkey_qt )
-
 set( GreaseMonkey_UIS
 	gm_addscriptdialog.ui
 	gm_notification.ui
 	settings/gm_settings.ui
 	settings/gm_settingsscriptinfo.ui
 	)
-qt5_wrap_ui(UIS ${GreaseMonkey_UIS})
+ki18n_wrap_ui(UIS ${GreaseMonkey_UIS})
 
 set( GreaseMonkey_RSCS
 	greasemonkey.qrc
diff --git a/src/plugins/GreaseMonkey/Messages.sh b/src/plugins/GreaseMonkey/Messages.sh
index e18ac2d06..4bdc540ef 100644
--- a/src/plugins/GreaseMonkey/Messages.sh
+++ b/src/plugins/GreaseMonkey/Messages.sh
@@ -1,2 +1,2 @@
 #! /bin/sh
-$EXTRACT_TR_STRINGS `find . -name '*.cpp' -o -name '*.h' -o -name '*.ui'` -o $podir/falkon_greasemonkey_qt.pot
+$XGETTEXT `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon_greasemonkey.pot
diff --git a/src/plugins/GreaseMonkey/gm_addscriptdialog.cpp b/src/plugins/GreaseMonkey/gm_addscriptdialog.cpp
index c66a2d820..6b92a3039 100644
--- a/src/plugins/GreaseMonkey/gm_addscriptdialog.cpp
+++ b/src/plugins/GreaseMonkey/gm_addscriptdialog.cpp
@@ -31,6 +31,8 @@
 #include <QFile>
 #include <QDir>
 
+#include <KLocalizedString>
+
 GM_AddScriptDialog::GM_AddScriptDialog(GM_Manager* manager, GM_Script* script, QWidget* parent)
     : QDialog(parent)
     , ui(new Ui::GM_AddScriptDialog)
@@ -47,11 +49,11 @@ GM_AddScriptDialog::GM_AddScriptDialog(GM_Manager* manager, GM_Script* script, Q
     const QStringList exclude = script->exclude();
 
     if (!include.isEmpty()) {
-        runsAt = tr("<p>runs at<br/><i>%1</i></p>").arg(include.join("<br/>"));
+        runsAt = i18n("<p>runs at<br/><i>%1</i></p>", include.join("<br/>"));
     }
 
     if (!exclude.isEmpty()) {
-        dontRunsAt = tr("<p>does not run at<br/><i>%1</i></p>").arg(exclude.join("<br/>"));
+        dontRunsAt = i18n("<p>does not run at<br/><i>%1</i></p>", exclude.join("<br/>"));
     }
 
     QString scriptInfo = QString("<b>%1</b> %2<br/>%3 %4 %5").arg(script->name(), script->version(), script->description(), runsAt, dontRunsAt);
@@ -81,10 +83,10 @@ void GM_AddScriptDialog::showSource()
 
 void GM_AddScriptDialog::accepted()
 {
-    QString message = tr("Cannot install script");
+    QString message = i18n("Cannot install script");
 
     if (m_manager->addScript(m_script)) {
-        message = tr("'%1' installed successfully").arg(m_script->name());
+        message = i18n("'%1' installed successfully", m_script->name());
     }
 
     m_manager->showNotification(message);
diff --git a/src/plugins/GreaseMonkey/gm_icon.cpp b/src/plugins/GreaseMonkey/gm_icon.cpp
index 15c84eb94..91cc9bcf6 100644
--- a/src/plugins/GreaseMonkey/gm_icon.cpp
+++ b/src/plugins/GreaseMonkey/gm_icon.cpp
@@ -20,13 +20,15 @@
 
 #include "webview.h"
 
+#include <KLocalizedString>
+
 GM_Icon::GM_Icon(GM_Manager *manager)
     : AbstractButtonInterface(manager)
     , m_manager(manager)
 {
     setIcon(QIcon(":gm/data/icon.svg"));
-    setTitle(tr("GreaseMonkey"));
-    setToolTip(tr("Open GreaseMonkey settings"));
+    setTitle(i18n("GreaseMonkey"));
+    setToolTip(i18n("Open GreaseMonkey settings"));
 
     connect(this, &AbstractButtonInterface::clicked, this, &GM_Icon::openSettings);
 }
@@ -38,7 +40,7 @@ QString GM_Icon::id() const
 
 QString GM_Icon::name() const
 {
-    return tr("GreaseMonkey Icon");
+    return i18n("GreaseMonkey Icon");
 }
 
 void GM_Icon::openSettings()
diff --git a/src/plugins/GreaseMonkey/gm_manager.cpp b/src/plugins/GreaseMonkey/gm_manager.cpp
index d17f61077..508957b13 100644
--- a/src/plugins/GreaseMonkey/gm_manager.cpp
+++ b/src/plugins/GreaseMonkey/gm_manager.cpp
@@ -39,6 +39,8 @@
 #include <QWebEngineProfile>
 #include <QWebEngineScriptCollection>
 
+#include <KLocalizedString>
+
 GM_Manager::GM_Manager(const QString &sPath, QObject* parent)
     : QObject(parent)
     , m_settingsPath(sPath)
@@ -74,7 +76,7 @@ void GM_Manager::downloadScript(const QUrl &url)
                 deleteScript = dialog.exec() != QDialog::Accepted;
             }
             else {
-                showNotification(tr("'%1' is already installed").arg(script->name()));
+                showNotification(i18n("'%1' is already installed", script->name()));
             }
         }
 
@@ -227,7 +229,7 @@ void GM_Manager::showNotification(const QString &message, const QString &title)
 {
     QIcon icon(":gm/data/icon.svg");
 
-    mApp->desktopNotifications()->showNotification(icon.pixmap(48), title.isEmpty() ? tr("GreaseMonkey") : title, message);
+    mApp->desktopNotifications()->showNotification(icon.pixmap(48), title.isEmpty() ? i18n("GreaseMonkey") : title, message);
 }
 
 void GM_Manager::load()
diff --git a/src/plugins/GreaseMonkey/gm_notification.cpp b/src/plugins/GreaseMonkey/gm_notification.cpp
index 2f80a0c9b..86aadef1e 100644
--- a/src/plugins/GreaseMonkey/gm_notification.cpp
+++ b/src/plugins/GreaseMonkey/gm_notification.cpp
@@ -24,6 +24,8 @@
 
 #include <QFile>
 
+#include <KLocalizedString>
+
 GM_Notification::GM_Notification(GM_Manager* manager, const QString &tmpfileName, const QString &fileName)
     : AnimatedWidget(AnimatedWidget::Down, 300, 0)
     , ui(new Ui::GM_Notification)
@@ -48,7 +50,7 @@ void GM_Notification::installScript()
     bool success = false;
 
     GM_Script* script = 0;
-    QString message = tr("Cannot install script");
+    QString message = i18n("Cannot install script");
 
     if (QFile::copy(m_tmpFileName, m_fileName)) {
         script = new GM_Script(m_manager, m_fileName);
@@ -56,7 +58,7 @@ void GM_Notification::installScript()
     }
 
     if (success) {
-        message = tr("'%1' installed successfully").arg(script->name());
+        message = i18n("'%1' installed successfully", script->name());
     }
 
     m_manager->showNotification(message);
diff --git a/src/plugins/GreaseMonkey/settings/gm_settings.cpp b/src/plugins/GreaseMonkey/settings/gm_settings.cpp
index bf1162872..6edcb4626 100644
--- a/src/plugins/GreaseMonkey/settings/gm_settings.cpp
+++ b/src/plugins/GreaseMonkey/settings/gm_settings.cpp
@@ -28,6 +28,8 @@
 #include <QMessageBox>
 #include <QInputDialog>
 
+#include <KLocalizedString>
+
 GM_Settings::GM_Settings(GM_Manager* manager, QWidget* parent)
     : QDialog(parent)
     , ui(new Ui::GM_Settings)
@@ -88,8 +90,8 @@ void GM_Settings::removeItem(QListWidgetItem* item)
         return;
     }
 
-    QMessageBox::StandardButton button = QMessageBox::question(this, tr("Remove script"),
-                                         tr("Are you sure you want to remove '%1'?").arg(script->name()),
+    QMessageBox::StandardButton button = QMessageBox::question(this, i18n("Remove script"),
+                                         i18n("Are you sure you want to remove '%1'?", script->name()),
                                          QMessageBox::Yes | QMessageBox::No);
 
     if (button == QMessageBox::Yes) {
@@ -119,7 +121,7 @@ void GM_Settings::openScriptsDirectory()
 
 void GM_Settings::newScript()
 {
-    const QString name = QInputDialog::getText(this, tr("Add script"), tr("Choose name for script:"));
+    const QString name = QInputDialog::getText(this, i18n("Add script"), i18n("Choose name for script:"));
     if (name.isEmpty())
         return;
 
diff --git a/src/plugins/GreaseMonkey/settings/gm_settingsscriptinfo.cpp b/src/plugins/GreaseMonkey/settings/gm_settingsscriptinfo.cpp
index 2f916b6b3..aac40b2d0 100644
--- a/src/plugins/GreaseMonkey/settings/gm_settingsscriptinfo.cpp
+++ b/src/plugins/GreaseMonkey/settings/gm_settingsscriptinfo.cpp
@@ -21,6 +21,8 @@
 
 #include <QDesktopServices>
 
+#include <KLocalizedString>
+
 GM_SettingsScriptInfo::GM_SettingsScriptInfo(GM_Script* script, QWidget* parent)
     : QDialog(parent)
     , ui(new Ui::GM_SettingsScriptInfo)
@@ -42,7 +44,7 @@ void GM_SettingsScriptInfo::editInTextEditor()
 
 void GM_SettingsScriptInfo::loadScript()
 {
-    setWindowTitle(tr("Script Details of %1").arg(m_script->name()));
+    setWindowTitle(i18n("Script Details of %1", m_script->name()));
 
     ui->name->setText(m_script->name());
     ui->nspace->setText(m_script->nameSpace());
diff --git a/src/plugins/KDEFrameworksIntegration/CMakeLists.txt b/src/plugins/KDEFrameworksIntegration/CMakeLists.txt
index 86a6786cb..a6fea578c 100644
--- a/src/plugins/KDEFrameworksIntegration/CMakeLists.txt
+++ b/src/plugins/KDEFrameworksIntegration/CMakeLists.txt
@@ -1,11 +1,11 @@
+add_definitions(-DTRANSLATION_DOMAIN="falkon_kdeframeworksintegration")
+
 set(KDEFrameworksIntegration_SRCS
     kdeframeworksintegrationplugin.cpp
     kwalletpasswordbackend.cpp
     kioschemehandler.cpp
 )
 
-ecm_create_qm_loader(KDEFrameworksIntegration_SRCS falkon_kdeframeworksintegration_qt)
-
 set(KDEFrameworksIntegration_RSCS
     kdeframeworksintegration.qrc
 )
diff --git a/src/plugins/KDEFrameworksIntegration/Messages.sh b/src/plugins/KDEFrameworksIntegration/Messages.sh
index 1c03178cb..dca21fb5b 100644
--- a/src/plugins/KDEFrameworksIntegration/Messages.sh
+++ b/src/plugins/KDEFrameworksIntegration/Messages.sh
@@ -1,2 +1,2 @@
 #! /bin/sh
-$EXTRACT_TR_STRINGS `find . -name '*.cpp' -o -name '*.h' -o -name '*.ui'` -o $podir/falkon_kdeframeworksintegration_qt.pot
+$XGETTEXT `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon_kdeframeworksintegration.pot
diff --git a/src/plugins/KDEFrameworksIntegration/kdeframeworksintegrationplugin.cpp b/src/plugins/KDEFrameworksIntegration/kdeframeworksintegrationplugin.cpp
index 87587d212..c85427088 100644
--- a/src/plugins/KDEFrameworksIntegration/kdeframeworksintegrationplugin.cpp
+++ b/src/plugins/KDEFrameworksIntegration/kdeframeworksintegrationplugin.cpp
@@ -36,6 +36,8 @@
 #include <QWebEngineProfile>
 #include <QMenu>
 
+#include <KLocalizedString>
+
 KDEFrameworksIntegrationPlugin::KDEFrameworksIntegrationPlugin()
     : QObject()
 {
@@ -66,7 +68,7 @@ void KDEFrameworksIntegrationPlugin::init(InitState state, const QString &settin
     }
 
     m_sharePageMenu = new Purpose::Menu();
-    m_sharePageMenu->setTitle(tr("Share page"));
+    m_sharePageMenu->setTitle(i18n("Share page"));
     m_sharePageMenu->setIcon(QIcon::fromTheme(QStringLiteral("document-share")));
     m_sharePageMenu->model()->setPluginType(QStringLiteral("ShareUrl"));
 
diff --git a/src/plugins/KDEFrameworksIntegration/kwalletpasswordbackend.cpp b/src/plugins/KDEFrameworksIntegration/kwalletpasswordbackend.cpp
index c836d2cc3..df45b539f 100644
--- a/src/plugins/KDEFrameworksIntegration/kwalletpasswordbackend.cpp
+++ b/src/plugins/KDEFrameworksIntegration/kwalletpasswordbackend.cpp
@@ -23,6 +23,7 @@
 #include <QDateTime>
 
 #include <KWallet>
+#include <KLocalizedString>
 
 static PasswordEntry decodeEntry(const QByteArray &data)
 {
@@ -48,7 +49,7 @@ KWalletPasswordBackend::KWalletPasswordBackend()
 
 QString KWalletPasswordBackend::name() const
 {
-    return KDEFrameworksIntegrationPlugin::tr("KWallet");
+    return i18n("KWallet");
 }
 
 QVector<PasswordEntry> KWalletPasswordBackend::getEntries(const QUrl &url)
diff --git a/src/plugins/MouseGestures/CMakeLists.txt b/src/plugins/MouseGestures/CMakeLists.txt
index 7d7caf4a8..54514bea2 100644
--- a/src/plugins/MouseGestures/CMakeLists.txt
+++ b/src/plugins/MouseGestures/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_definitions(-DTRANSLATION_DOMAIN="falkon_mousegestures")
+
 include_directories(3rdparty)
 
 set( MouseGestures_HDRS
@@ -14,12 +16,10 @@ set( MouseGestures_SRCS
 	mousegesturessettingsdialog.cpp
 	)
 
-ecm_create_qm_loader( MouseGestures_SRCS falkon_mousegestures_qt )
-
 set( MouseGestures_UIS
 	mousegesturessettingsdialog.ui
 	)
-qt5_wrap_ui(UIS ${MouseGestures_UIS})
+ki18n_wrap_ui(UIS ${MouseGestures_UIS})
 
 set( MouseGestures_RSCS
 	mousegestures.qrc
diff --git a/src/plugins/MouseGestures/Messages.sh b/src/plugins/MouseGestures/Messages.sh
index 500269f32..a6499c97f 100644
--- a/src/plugins/MouseGestures/Messages.sh
+++ b/src/plugins/MouseGestures/Messages.sh
@@ -1,2 +1,2 @@
 #! /bin/sh
-$EXTRACT_TR_STRINGS `find . -name '*.cpp' -o -name '*.h' -o -name '*.ui'` -o $podir/falkon_mousegestures_qt.pot
+$XGETTEXT `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon_mousegestures.pot
diff --git a/src/plugins/PIM/CMakeLists.txt b/src/plugins/PIM/CMakeLists.txt
index 8bebe5eca..d7072b76d 100644
--- a/src/plugins/PIM/CMakeLists.txt
+++ b/src/plugins/PIM/CMakeLists.txt
@@ -1,15 +1,15 @@
+add_definitions(-DTRANSLATION_DOMAIN="falkon_pim")
+
 set( PIM_SRCS
 	PIM_plugin.cpp
 	PIM_handler.cpp
 	PIM_settings.cpp
 	)
 
-ecm_create_qm_loader( PIM_SRCS falkon_pim_qt )
-
 set( PIM_UIS
 	PIM_settings.ui
 	)
-qt5_wrap_ui(UIS ${PIM_UIS})
+ki18n_wrap_ui(UIS ${PIM_UIS})
 
 set( PIM_RSCS
 	PIM_res.qrc
diff --git a/src/plugins/PIM/Messages.sh b/src/plugins/PIM/Messages.sh
index 1101ee488..44ea18415 100644
--- a/src/plugins/PIM/Messages.sh
+++ b/src/plugins/PIM/Messages.sh
@@ -1,2 +1,2 @@
 #! /bin/sh
-$EXTRACT_TR_STRINGS `find . -name '*.cpp' -o -name '*.h' -o -name '*.ui'` -o $podir/falkon_pim_qt.pot
+$XGETTEXT `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon_pim.pot
diff --git a/src/plugins/PIM/PIM_handler.cpp b/src/plugins/PIM/PIM_handler.cpp
index ad6601601..7c2d9c529 100644
--- a/src/plugins/PIM/PIM_handler.cpp
+++ b/src/plugins/PIM/PIM_handler.cpp
@@ -28,6 +28,8 @@
 #include <QToolTip>
 #include <QKeyEvent>
 
+#include <KLocalizedString>
+
 PIM_Handler::PIM_Handler(const QString &sPath, QObject* parent)
     : QObject(parent)
     , m_settingsFile(sPath + QL1S("/extensions.ini"))
@@ -56,20 +58,20 @@ void PIM_Handler::loadSettings()
     m_allInfo[PI_Special3] = settings.value("Special3", QString()).toString();
     settings.endGroup();
 
-    m_translations[PI_LastName] = tr("Last Name");
-    m_translations[PI_FirstName] = tr("First Name");
-    m_translations[PI_Email] = tr("E-mail");
-    m_translations[PI_Mobile] = tr("Mobile");
-    m_translations[PI_Phone] = tr("Phone");
-    m_translations[PI_Address] = tr("Address");
-    m_translations[PI_City] = tr("City");
-    m_translations[PI_Zip] = tr("ZIP Code");
-    m_translations[PI_State] = tr("State/Region");
-    m_translations[PI_Country] = tr("Country");
-    m_translations[PI_HomePage] = tr("Home Page");
-    m_translations[PI_Special1] = tr("Custom 1");
-    m_translations[PI_Special2] = tr("Custom 2");
-    m_translations[PI_Special3] = tr("Custom 3");
+    m_translations[PI_LastName] = i18n("Last Name");
+    m_translations[PI_FirstName] = i18n("First Name");
+    m_translations[PI_Email] = i18n("E-mail");
+    m_translations[PI_Mobile] = i18n("Mobile");
+    m_translations[PI_Phone] = i18n("Phone");
+    m_translations[PI_Address] = i18n("Address");
+    m_translations[PI_City] = i18n("City");
+    m_translations[PI_Zip] = i18n("ZIP Code");
+    m_translations[PI_State] = i18n("State/Region");
+    m_translations[PI_Country] = i18n("Country");
+    m_translations[PI_HomePage] = i18n("Home Page");
+    m_translations[PI_Special1] = i18n("Custom 1");
+    m_translations[PI_Special2] = i18n("Custom 2");
+    m_translations[PI_Special3] = i18n("Custom 3");
 
     m_infoMatches[PI_LastName] << "lastname" << "surname";
     m_infoMatches[PI_FirstName] << "firstname" << "name";
@@ -111,7 +113,7 @@ void PIM_Handler::populateWebViewMenu(QMenu* menu, WebView* view, const WebHitTe
         loadSettings();
     }
 
-    QMenu* pimMenu = new QMenu(tr("Insert Personal Information"));
+    QMenu* pimMenu = new QMenu(i18n("Insert Personal Information"));
     pimMenu->setIcon(QIcon(":/PIM/data/PIM.png"));
 
     if (!m_allInfo[PI_FirstName].isEmpty() && !m_allInfo[PI_LastName].isEmpty()) {
@@ -132,7 +134,7 @@ void PIM_Handler::populateWebViewMenu(QMenu* menu, WebView* view, const WebHitTe
     }
 
     pimMenu->addSeparator();
-    pimMenu->addAction(tr("Edit"), this, SLOT(showSettings()));
+    pimMenu->addAction(i18n("Edit"), this, SLOT(showSettings()));
 
     menu->addMenu(pimMenu);
     menu->addSeparator();
diff --git a/src/plugins/PyFalkon/CMakeLists.txt b/src/plugins/PyFalkon/CMakeLists.txt
index 7251d8086..5ee46de74 100644
--- a/src/plugins/PyFalkon/CMakeLists.txt
+++ b/src/plugins/PyFalkon/CMakeLists.txt
@@ -3,7 +3,7 @@ if(POLICY CMP0071)
   cmake_policy(SET CMP0071 NEW)
 endif()
 
-# Get all relevant Qt include dirs, to pass them on to shiboken.
+# Get all relevant include dirs, to pass them on to shiboken.
 get_property(QT_CORE_INCLUDE_DIRS TARGET Qt5::Core PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
 get_property(QT_GUI_INCLUDE_DIRS TARGET Qt5::Gui PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
 get_property(QT_SQL_INCLUDE_DIRS TARGET Qt5::Sql PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
@@ -11,7 +11,9 @@ get_property(QT_WIDGETS_INCLUDE_DIRS TARGET Qt5::Widgets PROPERTY INTERFACE_INCL
 get_property(QT_NETWORK_INCLUDE_DIRS TARGET Qt5::Network PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
 get_property(QT_WEBENGINECORE_INCLUDE_DIRS TARGET Qt5::WebEngineCore PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
 get_property(QT_WEBENGINEWIDGETS_INCLUDE_DIRS TARGET Qt5::WebEngineWidgets PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
-set(QT_INCLUDE_DIRS
+get_property(KF5_I18N_INCLUDE_DIRS TARGET KF5::I18n PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
+get_property(FalkonPrivate_INCLUDE_DIRS TARGET FalkonPrivate PROPERTY INCLUDE_DIRECTORIES)
+set(INCLUDE_DIRS
     ${QT_CORE_INCLUDE_DIRS}
     ${QT_GUI_INCLUDE_DIRS}
     ${QT_SQL_INCLUDE_DIRS}
@@ -19,14 +21,12 @@ set(QT_INCLUDE_DIRS
     ${QT_NETWORK_INCLUDE_DIRS}
     ${QT_WEBENGINECORE_INCLUDE_DIRS}
     ${QT_WEBENGINEWIDGETS_INCLUDE_DIRS}
+    ${KF5_I18N_INCLUDE_DIRS}
+    ${FalkonPrivate_INCLUDE_DIRS}
 )
-set(INCLUDES "")
-foreach(INCLUDE_DIR ${QT_INCLUDE_DIRS})
-    list(APPEND INCLUDES "-I${INCLUDE_DIR}")
-endforeach()
-get_property(FalkonPrivate_INCLUDE_DIRS TARGET FalkonPrivate PROPERTY INCLUDE_DIRECTORIES)
-foreach(INCLUDE_DIR ${FalkonPrivate_INCLUDE_DIRS})
-    list(APPEND INCLUDES "-I${INCLUDE_DIR}")
+set(SHIBOKEN_INCLUDES "")
+foreach(INCLUDE_DIR ${INCLUDE_DIRS})
+    list(APPEND SHIBOKEN_INCLUDES "-I${INCLUDE_DIR}")
 endforeach()
 
 # Set up the options to pass to shiboken.
@@ -36,7 +36,7 @@ set(TYPESYSTEM_FILE ${CMAKE_CURRENT_SOURCE_DIR}/typesystem_pyfalkon.xml)
 set(SHIBOKEN_OPTIONS --generator-set=shiboken --enable-parent-ctor-heuristic
     --enable-pyside-extensions --enable-return-value-heuristic --use-isnull-as-nb_nonzero
     --avoid-protected-hack
-    ${INCLUDES}
+    ${SHIBOKEN_INCLUDES}
     -T${PYSIDE_TYPESYSTEMS}
     --output-directory=${CMAKE_CURRENT_BINARY_DIR}
     --api-version="${Qt5_VERSION_MAJOR}.${Qt5_VERSION_MINOR}"
diff --git a/src/plugins/PyFalkon/typesystem_pyfalkon.xml b/src/plugins/PyFalkon/typesystem_pyfalkon.xml
index 01388ecbc..da4d223e5 100644
--- a/src/plugins/PyFalkon/typesystem_pyfalkon.xml
+++ b/src/plugins/PyFalkon/typesystem_pyfalkon.xml
@@ -166,13 +166,7 @@
     <object-type name="TabMruModel"/>
     <object-type name="TabStackedWidget"/>
     <object-type name="TabTreeModel"/>
-    <object-type name="TabWidget">
-      <modify-function signature="addView(LoadRequest,QString,QFlags&lt;Qz::NewTabPositionFlag&gt;,bool,int,bool)">
-        <modify-argument index="2">
-          <replace-default-expression with="TabWidget::tr(&quot;New tab&quot;)"/>
-        </modify-argument>
-      </modify-function>
-    </object-type>
+    <object-type name="TabWidget"/>
 
     <object-type name="AbstractButtonInterface">
       <object-type name="ClickController"/>
diff --git a/src/plugins/StatusBarIcons/CMakeLists.txt b/src/plugins/StatusBarIcons/CMakeLists.txt
index 552d81265..61690c287 100644
--- a/src/plugins/StatusBarIcons/CMakeLists.txt
+++ b/src/plugins/StatusBarIcons/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_definitions(-DTRANSLATION_DOMAIN="falkon_statusbaricons")
+
 set( StatusBarIcons_SRCS
 	statusbariconsplugin.cpp
 	sbi_iconsmanager.cpp
@@ -13,14 +15,12 @@ set( StatusBarIcons_SRCS
 	sbi_zoomwidget.cpp
 	)
 
-ecm_create_qm_loader( StatusBarIcons_SRCS falkon_statusbaricons_qt )
-
 set( StatusBarIcons_UIS
 	sbi_proxywidget.ui
 	sbi_networkicondialog.ui
 	sbi_settingsdialog.ui
 	)
-qt5_wrap_ui(UIS ${StatusBarIcons_UIS})
+ki18n_wrap_ui(UIS ${StatusBarIcons_UIS})
 
 set( StatusBarIcons_RSCS
 	statusbaricons.qrc
diff --git a/src/plugins/StatusBarIcons/Messages.sh b/src/plugins/StatusBarIcons/Messages.sh
index 7981bf618..6528e0060 100644
--- a/src/plugins/StatusBarIcons/Messages.sh
+++ b/src/plugins/StatusBarIcons/Messages.sh
@@ -1,2 +1,2 @@
 #! /bin/sh
-$EXTRACT_TR_STRINGS `find . -name '*.cpp' -o -name '*.h' -o -name '*.ui'` -o $podir/falkon_statusbaricons_qt.pot
+$XGETTEXT `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon_statusbaricons.pot
diff --git a/src/plugins/StatusBarIcons/sbi_imagesicon.cpp b/src/plugins/StatusBarIcons/sbi_imagesicon.cpp
index db61f92ce..a7dec8a55 100644
--- a/src/plugins/StatusBarIcons/sbi_imagesicon.cpp
+++ b/src/plugins/StatusBarIcons/sbi_imagesicon.cpp
@@ -26,12 +26,14 @@
 #include <QSettings>
 #include <QMenu>
 
+#include <KLocalizedString>
+
 SBI_ImagesIcon::SBI_ImagesIcon(BrowserWindow* window, const QString &settingsPath)
     : SBI_Icon(window, settingsPath)
 {
     setObjectName(QSL("sbi_imagesicon"));
     setCursor(Qt::PointingHandCursor);
-    setToolTip(tr("Modify images loading settings per-site and globally"));
+    setToolTip(i18n("Modify images loading settings per-site and globally"));
 
     m_icon = QIcon::fromTheme("image-x-generic", QIcon(":sbi/data/images.png"));
     setPixmap(m_icon.pixmap(16));
@@ -55,19 +57,19 @@ void SBI_ImagesIcon::showMenu(const QPoint &point)
     boldFont.setBold(true);
 
     QMenu menu;
-    menu.addAction(m_icon, tr("Current Page Settings"))->setFont(boldFont);
+    menu.addAction(m_icon, i18n("Current Page Settings"))->setFont(boldFont);
 
     if (testCurrentPageWebAttribute(QWebEngineSettings::AutoLoadImages)) {
-        menu.addAction(tr("Disable loading images (temporarily)"), this, &SBI_ImagesIcon::toggleLoadingImages);
+        menu.addAction(i18n("Disable loading images (temporarily)"), this, &SBI_ImagesIcon::toggleLoadingImages);
     }
     else {
-        menu.addAction(tr("Enable loading images (temporarily)"), this, &SBI_ImagesIcon::toggleLoadingImages);
+        menu.addAction(i18n("Enable loading images (temporarily)"), this, &SBI_ImagesIcon::toggleLoadingImages);
     }
 
     menu.addSeparator();
-    menu.addAction(m_icon, tr("Global Settings"))->setFont(boldFont);
+    menu.addAction(m_icon, i18n("Global Settings"))->setFont(boldFont);
 
-    QAction* act = menu.addAction(tr("Automatically load images"));
+    QAction* act = menu.addAction(i18n("Automatically load images"));
     act->setCheckable(true);
     act->setChecked(m_loadingImages);
     connect(act, &QAction::toggled, this, &SBI_ImagesIcon::setGlobalLoadingImages);
diff --git a/src/plugins/StatusBarIcons/sbi_javascripticon.cpp b/src/plugins/StatusBarIcons/sbi_javascripticon.cpp
index c646af78b..74dba2635 100644
--- a/src/plugins/StatusBarIcons/sbi_javascripticon.cpp
+++ b/src/plugins/StatusBarIcons/sbi_javascripticon.cpp
@@ -26,12 +26,14 @@
 #include <QWebEngineSettings>
 #include <QMenu>
 
+#include <KLocalizedString>
+
 SBI_JavaScriptIcon::SBI_JavaScriptIcon(BrowserWindow* window)
     : SBI_Icon(window)
 {
     setObjectName(QSL("sbi_javascripticon"));
     setCursor(Qt::PointingHandCursor);
-    setToolTip(tr("Modify JavaScript settings per-site and globally"));
+    setToolTip(i18n("Modify JavaScript settings per-site and globally"));
 
     m_icon = QIcon::fromTheme("application-x-javascript", QIcon(":sbi/data/javascript.png"));
     setPixmap(m_icon.pixmap(16));
@@ -48,13 +50,13 @@ void SBI_JavaScriptIcon::showMenu(const QPoint &point)
     boldFont.setBold(true);
 
     QMenu menu;
-    menu.addAction(m_icon, tr("Current Page Settings"))->setFont(boldFont);
+    menu.addAction(m_icon, i18n("Current Page Settings"))->setFont(boldFont);
 
     if (testCurrentPageWebAttribute(QWebEngineSettings::JavascriptEnabled)) {
-        menu.addAction(tr("Disable JavaScript (temporarily)"), this, &SBI_JavaScriptIcon::toggleJavaScript);
+        menu.addAction(i18n("Disable JavaScript (temporarily)"), this, &SBI_JavaScriptIcon::toggleJavaScript);
     }
     else {
-        menu.addAction(tr("Enable JavaScript (temporarily)"), this, &SBI_JavaScriptIcon::toggleJavaScript);
+        menu.addAction(i18n("Enable JavaScript (temporarily)"), this, &SBI_JavaScriptIcon::toggleJavaScript);
     }
 
     // JavaScript needs to be always enabled for falkon: sites
@@ -63,8 +65,8 @@ void SBI_JavaScriptIcon::showMenu(const QPoint &point)
     }
 
     menu.addSeparator();
-    menu.addAction(m_icon, tr("Global Settings"))->setFont(boldFont);
-    menu.addAction(tr("Manage JavaScript settings"), this, &SBI_JavaScriptIcon::openJavaScriptSettings);
+    menu.addAction(m_icon, i18n("Global Settings"))->setFont(boldFont);
+    menu.addAction(i18n("Manage JavaScript settings"), this, &SBI_JavaScriptIcon::openJavaScriptSettings);
     menu.exec(point);
 }
 
diff --git a/src/plugins/StatusBarIcons/sbi_networkicon.cpp b/src/plugins/StatusBarIcons/sbi_networkicon.cpp
index 80a72f987..9a91b0522 100644
--- a/src/plugins/StatusBarIcons/sbi_networkicon.cpp
+++ b/src/plugins/StatusBarIcons/sbi_networkicon.cpp
@@ -25,6 +25,8 @@
 #include <QMenu>
 #include <QNetworkConfigurationManager>
 
+#include <KLocalizedString>
+
 SBI_NetworkIcon::SBI_NetworkIcon(BrowserWindow* window)
     : SBI_Icon(window)
     , m_networkConfiguration(new QNetworkConfigurationManager(this))
@@ -62,9 +64,9 @@ void SBI_NetworkIcon::showMenu(const QPoint &pos)
     boldFont.setBold(true);
 
     QMenu menu;
-    menu.addAction(QIcon::fromTheme("preferences-system-network", QIcon(":sbi/data/preferences-network.png")), tr("Proxy Configuration"))->setFont(boldFont);
+    menu.addAction(QIcon::fromTheme("preferences-system-network", QIcon(":sbi/data/preferences-network.png")), i18n("Proxy Configuration"))->setFont(boldFont);
 
-    QMenu* proxyMenu = menu.addMenu(tr("Select proxy"));
+    QMenu* proxyMenu = menu.addMenu(i18n("Select proxy"));
 
     const QHash<QString, SBI_NetworkProxy*> &proxies = SBINetManager->proxies();
 
@@ -78,11 +80,11 @@ void SBI_NetworkIcon::showMenu(const QPoint &pos)
     }
 
     if (proxyMenu->actions().count() == 0) {
-        proxyMenu->addAction(tr("Empty"))->setEnabled(false);
+        proxyMenu->addAction(i18n("Empty"))->setEnabled(false);
     }
 
     menu.addSeparator();
-    menu.addAction(tr("Manage proxies"), this, &SBI_NetworkIcon::showDialog);
+    menu.addAction(i18n("Manage proxies"), this, &SBI_NetworkIcon::showDialog);
     menu.exec(pos);
 }
 
@@ -98,23 +100,23 @@ void SBI_NetworkIcon::updateToolTip()
     QString tooltip = tr("Shows network status and manages proxy<br/><br/><b>Network:</b><br/>%1<br/><br/><b>Proxy:</b><br/>%2");
 
     if (m_networkConfiguration->isOnline()) {
-        tooltip = tooltip.arg(tr("Connected"));
+        tooltip = tooltip.arg(i18n("Connected"));
     }
     else {
-        tooltip = tooltip.arg(tr("Offline"));
+        tooltip = tooltip.arg(i18n("Offline"));
     }
 
     switch (QNetworkProxy::applicationProxy().type()) {
     case QNetworkProxy::DefaultProxy:
-        tooltip = tooltip.arg(tr("System proxy"));
+        tooltip = tooltip.arg(i18n("System proxy"));
         break;
 
     case QNetworkProxy::NoProxy:
-        tooltip = tooltip.arg(tr("No proxy"));
+        tooltip = tooltip.arg(i18n("No proxy"));
         break;
 
     default:
-        tooltip = tooltip.arg(tr("User defined"));
+        tooltip = tooltip.arg(i18n("User defined"));
         break;
     }
 
diff --git a/src/plugins/StatusBarIcons/sbi_networkicondialog.cpp b/src/plugins/StatusBarIcons/sbi_networkicondialog.cpp
index 6536a369c..9de80ba70 100644
--- a/src/plugins/StatusBarIcons/sbi_networkicondialog.cpp
+++ b/src/plugins/StatusBarIcons/sbi_networkicondialog.cpp
@@ -23,6 +23,8 @@
 #include <QInputDialog>
 #include <QMessageBox>
 
+#include <KLocalizedString>
+
 SBI_NetworkIconDialog::SBI_NetworkIconDialog(QWidget* parent)
     : QDialog(parent)
     , ui(new Ui::SBI_NetworkIconDialog)
@@ -54,7 +56,7 @@ SBI_NetworkIconDialog::SBI_NetworkIconDialog(QWidget* parent)
 
 void SBI_NetworkIconDialog::addProxy()
 {
-    const QString name = QInputDialog::getText(this, tr("Add proxy"), tr("Name of proxy:"));
+    const QString name = QInputDialog::getText(this, i18n("Add proxy"), i18n("Name of proxy:"));
     if (name.isEmpty() || ui->comboBox->findText(name) > -1) {
         return;
     }
@@ -67,7 +69,7 @@ void SBI_NetworkIconDialog::addProxy()
 
 void SBI_NetworkIconDialog::removeProxy()
 {
-    QMessageBox::StandardButton button = QMessageBox::warning(this, tr("Remove current proxy"), tr("Are you sure you want to remove current proxy?"),
+    QMessageBox::StandardButton button = QMessageBox::warning(this, i18n("Remove current proxy"), i18n("Are you sure you want to remove current proxy?"),
                                          QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
 
     if (button != QMessageBox::Yes) {
diff --git a/src/plugins/StatusBarIcons/sbi_zoomwidget.cpp b/src/plugins/StatusBarIcons/sbi_zoomwidget.cpp
index 39becd94c..b378a8b1d 100644
--- a/src/plugins/StatusBarIcons/sbi_zoomwidget.cpp
+++ b/src/plugins/StatusBarIcons/sbi_zoomwidget.cpp
@@ -20,6 +20,8 @@
 #include "browserwindow.h"
 #include "tabwidget.h"
 
+#include <KLocalizedString>
+
 SBI_ZoomWidget::SBI_ZoomWidget(BrowserWindow* parent)
     : QSlider(parent)
     , m_window(parent)
@@ -45,7 +47,7 @@ void SBI_ZoomWidget::valueChanged(int value)
 
     if (view) {
         view->setZoomLevel(value);
-        setToolTip(tr("Zoom: %1%").arg(view->zoomFactor() * 100));
+        setToolTip(i18n("Zoom: %1%", view->zoomFactor() * 100));
     }
 }
 
diff --git a/src/plugins/TabManager/CMakeLists.txt b/src/plugins/TabManager/CMakeLists.txt
index d3beae177..b1fd485c1 100644
--- a/src/plugins/TabManager/CMakeLists.txt
+++ b/src/plugins/TabManager/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_definitions(-DTRANSLATION_DOMAIN="falkon_tabmanager")
+
 set( TabManager_SRCS
 	tabmanagerplugin.cpp
 	tabmanagerwidget.cpp
@@ -7,13 +9,11 @@ set( TabManager_SRCS
 	tldextractor/tldextractor.cpp
 	)
 
-ecm_create_qm_loader( TabManager_SRCS falkon_tabmanager_qt )
-
 set( TabManager_UIS
 	tabmanagerwidget.ui
 	tabmanagersettings.ui
 	)
-qt5_wrap_ui(UIS ${TabManager_UIS})
+ki18n_wrap_ui(UIS ${TabManager_UIS})
 
 set( TabManager_RSCS
 	tabmanagerplugin.qrc
diff --git a/src/plugins/TabManager/Messages.sh b/src/plugins/TabManager/Messages.sh
index 282658745..195d0c9dc 100644
--- a/src/plugins/TabManager/Messages.sh
+++ b/src/plugins/TabManager/Messages.sh
@@ -1,2 +1,2 @@
 #! /bin/sh
-$EXTRACT_TR_STRINGS `find . -name '*.cpp' -o -name '*.h' -o -name '*.ui'` -o $podir/falkon_tabmanager_qt.pot
+$XGETTEXT `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon_tabmanager.pot
diff --git a/src/plugins/TabManager/tabmanagerwidget.cpp b/src/plugins/TabManager/tabmanagerwidget.cpp
index 516e84d95..7716f932a 100644
--- a/src/plugins/TabManager/tabmanagerwidget.cpp
+++ b/src/plugins/TabManager/tabmanagerwidget.cpp
@@ -42,6 +42,7 @@
 #include <QLabel>
 #include <QMimeData>
 
+#include <KLocalizedString>
 
 TLDExtractor* TabManagerWidget::s_tldExtractor = 0;
 
@@ -108,13 +109,13 @@ QString TabManagerWidget::domainFromUrl(const QUrl &url, bool useHostName)
     QString urlString = url.toString();
 
     if (url.scheme() == "file") {
-        return tr("Local File System:");
+        return i18n("Local File System:");
     }
     else if (url.scheme() == "falkon" || urlString.isEmpty()) {
-        return tr("Falkon:");
+        return i18n("Falkon:");
     }
     else if (url.scheme() == "ftp") {
-        appendString.prepend(tr(" [FTP]"));
+        appendString.prepend(i18n(" [FTP]"));
     }
 
     QString host = url.host();
@@ -303,18 +304,18 @@ void TabManagerWidget::customContextMenuRequested(const QPoint &pos)
     menu->setAttribute(Qt::WA_DeleteOnClose);
 
     QAction* action;
-    QMenu groupTypeSubmenu(tr("Group by"));
-    action = groupTypeSubmenu.addAction(tr("&Window"), this, &TabManagerWidget::changeGroupType);
+    QMenu groupTypeSubmenu(i18n("Group by"));
+    action = groupTypeSubmenu.addAction(i18n("&Window"), this, &TabManagerWidget::changeGroupType);
     action->setData(GroupByWindow);
     action->setCheckable(true);
     action->setChecked(m_groupType == GroupByWindow);
 
-    action = groupTypeSubmenu.addAction(tr("&Domain"), this, &TabManagerWidget::changeGroupType);
+    action = groupTypeSubmenu.addAction(i18n("&Domain"), this, &TabManagerWidget::changeGroupType);
     action->setData(GroupByDomain);
     action->setCheckable(true);
     action->setChecked(m_groupType == GroupByDomain);
 
-    action = groupTypeSubmenu.addAction(tr("&Host"), this, &TabManagerWidget::changeGroupType);
+    action = groupTypeSubmenu.addAction(i18n("&Host"), this, &TabManagerWidget::changeGroupType);
     action->setData(GroupByHost);
     action->setCheckable(true);
     action->setChecked(m_groupType == GroupByHost);
@@ -322,16 +323,16 @@ void TabManagerWidget::customContextMenuRequested(const QPoint &pos)
     menu->addMenu(&groupTypeSubmenu);
 
     if (m_isDefaultWidget) {
-        menu->addAction(QIcon(":/tabmanager/data/side-by-side.png"), tr("&Show side by side"), this, &TabManagerWidget::showSideBySide)->setObjectName("sideBySide");
+        menu->addAction(QIcon(":/tabmanager/data/side-by-side.png"), i18n("&Show side by side"), this, &TabManagerWidget::showSideBySide)->setObjectName("sideBySide");
     }
 
     menu->addSeparator();
 
     if (isTabSelected()) {
-        menu->addAction(QIcon(":/tabmanager/data/tab-detach.png"), tr("&Detach checked tabs"), this, &TabManagerWidget::processActions)->setObjectName("detachSelection");
-        menu->addAction(QIcon(":/tabmanager/data/tab-bookmark.png"), tr("Book&mark checked tabs"), this, &TabManagerWidget::processActions)->setObjectName("bookmarkSelection");
-        menu->addAction(QIcon(":/tabmanager/data/tab-close.png"), tr("&Close checked tabs"), this, &TabManagerWidget::processActions)->setObjectName("closeSelection");
-        menu->addAction(tr("&Unload checked tabs"), this, &TabManagerWidget::processActions)->setObjectName("unloadSelection");
+        menu->addAction(QIcon(":/tabmanager/data/tab-detach.png"), i18n("&Detach checked tabs"), this, &TabManagerWidget::processActions)->setObjectName("detachSelection");
+        menu->addAction(QIcon(":/tabmanager/data/tab-bookmark.png"), i18n("Book&mark checked tabs"), this, &TabManagerWidget::processActions)->setObjectName("bookmarkSelection");
+        menu->addAction(QIcon(":/tabmanager/data/tab-close.png"), i18n("&Close checked tabs"), this, &TabManagerWidget::processActions)->setObjectName("closeSelection");
+        menu->addAction(i18n("&Unload checked tabs"), this, &TabManagerWidget::processActions)->setObjectName("unloadSelection");
     }
 
     menu->exec(ui->treeWidget->viewport()->mapToGlobal(pos));
@@ -583,8 +584,8 @@ bool TabManagerWidget::bookmarkSelectedTabs(const QHash<BrowserWindow*, WebTab*>
     layout->addWidget(folderButton);
     layout->addWidget(box);
 
-    label->setText(tr("Choose folder for bookmarks:"));
-    dialog->setWindowTitle(tr("Bookmark Selected Tabs"));
+    label->setText(i18n("Choose folder for bookmarks:"));
+    dialog->setWindowTitle(i18n("Bookmark Selected Tabs"));
 
     QSize size = dialog->size();
     size.setWidth(350);
@@ -702,8 +703,8 @@ QTreeWidgetItem* TabManagerWidget::groupByWindow()
         BrowserWindow* mainWin = windows.at(win);
         TabItem* winItem = new TabItem(ui->treeWidget, true, false);
         winItem->setBrowserWindow(mainWin);
-        winItem->setText(0, tr("Window %1").arg(QString::number(win + 1)));
-        winItem->setToolTip(0, tr("Double click to switch"));
+        winItem->setText(0, i18n("Window %1", win + 1));
+        winItem->setToolTip(0, i18n("Double click to switch"));
         winItem->setIsActiveOrCaption(win == currentWindowIdx);
 
         QList<WebTab*> tabs = mainWin->tabWidget()->allTabs();
diff --git a/src/plugins/TabManager/tabmanagerwidgetcontroller.cpp b/src/plugins/TabManager/tabmanagerwidgetcontroller.cpp
index 999f9678e..c18b406a4 100644
--- a/src/plugins/TabManager/tabmanagerwidgetcontroller.cpp
+++ b/src/plugins/TabManager/tabmanagerwidgetcontroller.cpp
@@ -29,9 +29,10 @@
 #include <QDesktopWidget>
 #include <QAction>
 #include <QStyle>
-
 #include <QDebug>
 
+#include <KLocalizedString>
+
 class TabManagerButton : public AbstractButtonInterface
 {
 public:
@@ -47,7 +48,7 @@ public:
 
     QString name() const override
     {
-        return tr("Tab Manager button");
+        return i18n("Tab Manager button");
     }
 };
 
@@ -65,12 +66,12 @@ TabManagerWidgetController::~TabManagerWidgetController()
 
 QString TabManagerWidgetController::title() const
 {
-    return tr("Tab Manager");
+    return i18n("Tab Manager");
 }
 
 QAction* TabManagerWidgetController::createMenuAction()
 {
-    QAction* act = new QAction(tr("Tab Manager"), this);
+    QAction* act = new QAction(i18n("Tab Manager"), this);
     act->setCheckable(true);
     act->setIcon(QIcon(":tabmanager/data/tabmanager.png"));
     act->setShortcut(QKeySequence("Ctrl+Shift+M"));
@@ -96,8 +97,8 @@ AbstractButtonInterface* TabManagerWidgetController::createStatusBarIcon(Browser
 
     TabManagerButton* icon = new TabManagerButton(this);
     icon->setIcon(QPixmap(":tabmanager/data/tabmanager.png"));
-    icon->setTitle(tr("Tab Manager"));
-    icon->setToolTip(tr("Show Tab Manager"));
+    icon->setTitle(i18n("Tab Manager"));
+    icon->setToolTip(i18n("Show Tab Manager"));
     connect(icon, &AbstractButtonInterface::clicked, this, [=](AbstractButtonInterface::ClickController *c) {
         if (!defaultTabManager()) {
             return;
diff --git a/src/plugins/TabManager/tldextractor/tldextractor.cpp b/src/plugins/TabManager/tldextractor/tldextractor.cpp
index 830dc3ee9..b0844dbf1 100644
--- a/src/plugins/TabManager/tldextractor/tldextractor.cpp
+++ b/src/plugins/TabManager/tldextractor/tldextractor.cpp
@@ -23,6 +23,8 @@
 #include <QMessageBox>
 #include <QUrl>
 
+#include <KLocalizedString>
+
 TLDExtractor* TLDExtractor::s_instance = 0;
 
 TLDExtractor::TLDExtractor(QObject* parent)
@@ -257,10 +259,10 @@ void TLDExtractor::loadData()
 
     if (!parsedDataFileExist) {
         const QString tldDataFileDownloadLink = QLatin1String("http://mxr.mozilla.org/mozilla-central/source/netwerk/dns/effective_tld_names.dat?raw=1");
-        QMessageBox::information(0, tr("File not found!"),
-                                 tr("File \'effective_tld_names.dat\' was not found!\n"
-                                    "You can download it from \'<a href=\"%1\"><b>here</b></a>\' to one of the following paths:\n%2")
-                                 .arg(tldDataFileDownloadLink).arg(m_dataSearchPaths.join("\n")));
+        QMessageBox::information(0, i18n("File not found!"),
+                                 i18n("File \'effective_tld_names.dat\' was not found!\n"
+                                    "You can download it from \'<a href=\"%1\"><b>here</b></a>\' to one of the following paths:\n%2",
+                                 tldDataFileDownloadLink, m_dataSearchPaths.join("\n")));
 
         return;
     }
@@ -360,10 +362,10 @@ bool TLDExtractor::test()
     if (!testDataFileExist) {
         const QString testFileDownloadLink = QLatin1String("http://mxr.mozilla.org/mozilla-central/source/netwerk/test/unit/data/test_psl.txt?raw=1");
 
-        QMessageBox::information(0, tr("File not found!"),
-                                 tr("File \'test_psl.txt\' was not found!\n"
-                                    "You can download it from \'<a href=\"%1\"><b>here</b></a>\' to one of the following paths:\n%2")
-                                 .arg(testFileDownloadLink).arg(m_dataSearchPaths.join("\n")));
+        QMessageBox::information(0, i18n("File not found!"),
+                                 i18n("File \'test_psl.txt\' was not found!\n"
+                                    "You can download it from \'<a href=\"%1\"><b>here</b></a>\' to one of the following paths:\n%2",
+                                 testFileDownloadLink, m_dataSearchPaths.join("\n")));
 
         return false;
     }
diff --git a/src/plugins/TestPlugin/CMakeLists.txt b/src/plugins/TestPlugin/CMakeLists.txt
index e907ed834..900450b71 100644
--- a/src/plugins/TestPlugin/CMakeLists.txt
+++ b/src/plugins/TestPlugin/CMakeLists.txt
@@ -1,10 +1,10 @@
+add_definitions(-DTRANSLATION_DOMAIN="falkon_testplugin")
+
 set( TestPlugin_SRCS
 	testplugin.cpp
 	testplugin_sidebar.cpp
 	)
 
-ecm_create_qm_loader( TestPlugin_SRCS falkon_testplugin_qt )
-
 add_library(TestPlugin MODULE ${TestPlugin_SRCS} ${RSCS})
 install(TARGETS TestPlugin DESTINATION ${FALKON_INSTALL_PLUGINDIR})
 target_link_libraries(TestPlugin FalkonPrivate)
diff --git a/src/plugins/TestPlugin/Messages.sh b/src/plugins/TestPlugin/Messages.sh
index 35ba0d260..5374c317d 100644
--- a/src/plugins/TestPlugin/Messages.sh
+++ b/src/plugins/TestPlugin/Messages.sh
@@ -1,2 +1,2 @@
 #! /bin/sh
-$EXTRACT_TR_STRINGS `find . -name '*.cpp' -o -name '*.h' -o -name '*.ui'` -o $podir/falkon_testplugin_qt.pot
+$XGETTEXT `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon_testplugin.pot
diff --git a/src/plugins/TestPlugin/testplugin.cpp b/src/plugins/TestPlugin/testplugin.cpp
index d884449d1..48f3bc0b4 100644
--- a/src/plugins/TestPlugin/testplugin.cpp
+++ b/src/plugins/TestPlugin/testplugin.cpp
@@ -28,6 +28,8 @@
 #include <QMenu>
 #include <QPushButton>
 
+#include <KLocalizedString>
+
 TestPlugin::TestPlugin()
     : QObject()
     , m_view(0)
@@ -95,7 +97,7 @@ void TestPlugin::showSettings(QWidget* parent)
     if (!m_settings) {
         m_settings = new QDialog(parent);
         QPushButton* b = new QPushButton("Example Plugin v0.0.1");
-        QPushButton* closeButton = new QPushButton(tr("Close"));
+        QPushButton* closeButton = new QPushButton(i18n("Close"));
         QLabel* label = new QLabel();
         label->setPixmap(QPixmap(":icons/other/about.svg"));
 
@@ -106,7 +108,7 @@ void TestPlugin::showSettings(QWidget* parent)
         m_settings.data()->setLayout(l);
 
         m_settings.data()->setAttribute(Qt::WA_DeleteOnClose);
-        m_settings.data()->setWindowTitle(tr("Example Plugin Settings"));
+        m_settings.data()->setWindowTitle(i18n("Example Plugin Settings"));
         m_settings.data()->setWindowIcon(QIcon(":icons/falkon.svg"));
         connect(closeButton, SIGNAL(clicked()), m_settings.data(), SLOT(close()));
     }
@@ -136,7 +138,7 @@ void TestPlugin::populateWebViewMenu(QMenu* menu, WebView* view, const WebHitTes
         title += " on input";
     }
 
-    menu->addAction(tr("My first plugin action") + title, this, SLOT(actionSlot()));
+    menu->addAction(i18n("My first plugin action") + title, this, SLOT(actionSlot()));
 }
 
 bool TestPlugin::mousePress(Qz::ObjectName type, QObject* obj, QMouseEvent* event)
@@ -151,5 +153,5 @@ bool TestPlugin::mousePress(Qz::ObjectName type, QObject* obj, QMouseEvent* even
 
 void TestPlugin::actionSlot()
 {
-    QMessageBox::information(m_view, tr("Hello"), tr("First plugin action works :-)"));
+    QMessageBox::information(m_view, i18n("Hello"), i18n("First plugin action works :-)"));
 }
diff --git a/src/plugins/TestPlugin/testplugin_sidebar.cpp b/src/plugins/TestPlugin/testplugin_sidebar.cpp
index 74d04219e..bc8604cff 100644
--- a/src/plugins/TestPlugin/testplugin_sidebar.cpp
+++ b/src/plugins/TestPlugin/testplugin_sidebar.cpp
@@ -22,6 +22,8 @@
 #include <QPushButton>
 #include <QVBoxLayout>
 
+#include <KLocalizedString>
+
 TestPlugin_Sidebar::TestPlugin_Sidebar(QObject* parent)
     : SideBarInterface(parent)
 {
@@ -29,7 +31,7 @@ TestPlugin_Sidebar::TestPlugin_Sidebar(QObject* parent)
 
 QString TestPlugin_Sidebar::title() const
 {
-    return tr("Testing Sidebar");
+    return i18n("Testing Sidebar");
 }
 
 QAction* TestPlugin_Sidebar::createMenuAction()
@@ -37,7 +39,7 @@ QAction* TestPlugin_Sidebar::createMenuAction()
     // The action must be parented to some object from plugin, otherwise
     // there may be a crash when unloading the plugin.
 
-    QAction* act = new QAction(tr("Testing Sidebar"), this);
+    QAction* act = new QAction(i18n("Testing Sidebar"), this);
     act->setCheckable(true);
 
     return act;
diff --git a/src/plugins/VerticalTabs/CMakeLists.txt b/src/plugins/VerticalTabs/CMakeLists.txt
index 943973472..c2e989f98 100644
--- a/src/plugins/VerticalTabs/CMakeLists.txt
+++ b/src/plugins/VerticalTabs/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_definitions(-DTRANSLATION_DOMAIN="falkon_verticaltabs")
+
 set( VerticalTabs_SRCS
     verticaltabsplugin.cpp
     verticaltabscontroller.cpp
@@ -12,12 +14,10 @@ set( VerticalTabs_SRCS
     verticaltabsschemehandler.cpp
 )
 
-ecm_create_qm_loader( VerticalTabs_SRCS falkon_verticaltabs_qt )
-
 set( VerticalTabs_UIS
     verticaltabssettings.ui
 )
-qt5_wrap_ui(UIS ${VerticalTabs_UIS})
+ki18n_wrap_ui(UIS ${VerticalTabs_UIS})
 
 set( VerticalTabs_RSCS
     verticaltabs.qrc
diff --git a/src/plugins/VerticalTabs/Messages.sh b/src/plugins/VerticalTabs/Messages.sh
index 34e0f4c3c..10b90548a 100644
--- a/src/plugins/VerticalTabs/Messages.sh
+++ b/src/plugins/VerticalTabs/Messages.sh
@@ -1,2 +1,2 @@
 #! /bin/sh
-$EXTRACT_TR_STRINGS `find . -name '*.cpp' -o -name '*.h' -o -name '*.ui'` -o $podir/falkon_verticaltabs_qt.pot
+$XGETTEXT `find . -name '*.cpp' -o -name '*.h'` -o $podir/falkon_verticaltabs.pot
diff --git a/src/plugins/VerticalTabs/tablistview.cpp b/src/plugins/VerticalTabs/tablistview.cpp
index 476cf9de3..6c373f667 100644
--- a/src/plugins/VerticalTabs/tablistview.cpp
+++ b/src/plugins/VerticalTabs/tablistview.cpp
@@ -27,6 +27,8 @@
 #include <QToolTip>
 #include <QHoverEvent>
 
+#include <KLocalizedString>
+
 TabListView::TabListView(BrowserWindow *window, QWidget *parent)
     : QListView(parent)
     , m_window(window)
@@ -193,7 +195,7 @@ bool TabListView::viewportEvent(QEvent *event)
         DelegateButton button = buttonAt(he->pos(), index);
         if (button == AudioButton) {
             const bool muted = index.data(TabModel::AudioMutedRole).toBool();
-            QToolTip::showText(he->globalPos(), muted ? tr("Unmute Tab") : tr("Mute Tab"), this, visualRect(index));
+            QToolTip::showText(he->globalPos(), muted ? i18n("Unmute Tab") : i18n("Mute Tab"), this, visualRect(index));
             he->accept();
             return true;
         } else if (button == NoButton) {
diff --git a/src/plugins/VerticalTabs/tabtreeview.cpp b/src/plugins/VerticalTabs/tabtreeview.cpp
index c2168e1c9..27bde1aea 100644
--- a/src/plugins/VerticalTabs/tabtreeview.cpp
+++ b/src/plugins/VerticalTabs/tabtreeview.cpp
@@ -28,6 +28,8 @@
 #include <QToolTip>
 #include <QHoverEvent>
 
+#include <KLocalizedString>
+
 TabTreeView::TabTreeView(BrowserWindow *window, QWidget *parent)
     : QTreeView(parent)
     , m_window(window)
@@ -303,11 +305,11 @@ bool TabTreeView::viewportEvent(QEvent *event)
         DelegateButton button = buttonAt(he->pos(), index);
         if (button == AudioButton) {
             const bool muted = index.data(TabModel::AudioMutedRole).toBool();
-            QToolTip::showText(he->globalPos(), muted ? tr("Unmute Tab") : tr("Mute Tab"), this, visualRect(index));
+            QToolTip::showText(he->globalPos(), muted ? i18n("Unmute Tab") : i18n("Mute Tab"), this, visualRect(index));
             he->accept();
             return true;
         } else if (button == CloseButton) {
-            QToolTip::showText(he->globalPos(), tr("Close Tab"), this, visualRect(index));
+            QToolTip::showText(he->globalPos(), i18n("Close Tab"), this, visualRect(index));
             he->accept();
             return true;
         } else if (button == NoButton) {
@@ -374,21 +376,21 @@ void TabTreeView::addMenuActions(QMenu *menu, const QModelIndex &index)
     }
 
     menu->addSeparator();
-    QMenu *m = menu->addMenu(tr("Tab Tree"));
+    QMenu *m = menu->addMenu(i18n("Tab Tree"));
 
     if (index.isValid() && model()->rowCount(index) > 0) {
         QPersistentModelIndex pindex = index;
-        m->addAction(tr("Close Tree"), this, [=]() {
+        m->addAction(i18n("Close Tree"), this, [=]() {
             closeTree(pindex);
         });
-        m->addAction(tr("Unload Tree"), this, [=]() {
+        m->addAction(i18n("Unload Tree"), this, [=]() {
             unloadTree(pindex);
         });
     }
 
     m->addSeparator();
-    m->addAction(tr("Expand All"), this, &TabTreeView::expandAll);
-    m->addAction(tr("Collapse All"), this, &TabTreeView::collapseAll);
+    m->addAction(i18n("Expand All"), this, &TabTreeView::expandAll);
+    m->addAction(i18n("Collapse All"), this, &TabTreeView::collapseAll);
 }
 
 void TabTreeView::reverseTraverse(const QModelIndex &root, const std::function<void(const QModelIndex&)> &callback) const
diff --git a/src/plugins/VerticalTabs/verticaltabscontroller.cpp b/src/plugins/VerticalTabs/verticaltabscontroller.cpp
index 7135175e5..5f66ee704 100644
--- a/src/plugins/VerticalTabs/verticaltabscontroller.cpp
+++ b/src/plugins/VerticalTabs/verticaltabscontroller.cpp
@@ -24,6 +24,8 @@
 #include <QAction>
 #include <QKeyEvent>
 
+#include <KLocalizedString>
+
 VerticalTabsController::VerticalTabsController(VerticalTabsPlugin *plugin)
     : SideBarInterface(plugin)
     , m_plugin(plugin)
@@ -32,7 +34,7 @@ VerticalTabsController::VerticalTabsController(VerticalTabsPlugin *plugin)
 
 QString VerticalTabsController::title() const
 {
-    return tr("Vertical Tabs");
+    return i18n("Vertical Tabs");
 }
 
 QAction *VerticalTabsController::createMenuAction()
diff --git a/src/plugins/VerticalTabs/verticaltabsschemehandler.cpp b/src/plugins/VerticalTabs/verticaltabsschemehandler.cpp
index dc3520386..abe1dc758 100644
--- a/src/plugins/VerticalTabs/verticaltabsschemehandler.cpp
+++ b/src/plugins/VerticalTabs/verticaltabsschemehandler.cpp
@@ -23,6 +23,8 @@
 #include <QUrlQuery>
 #include <QWebEngineUrlRequestJob>
 
+#include <KLocalizedString>
+
 VerticalTabsSchemeHandler::VerticalTabsSchemeHandler(QObject *parent)
     : ExtensionSchemeHandler(parent)
 {
@@ -44,7 +46,7 @@ QByteArray VerticalTabsSchemeHandler::indexPage() const
 {
     QString page = QzTools::readAllFileContents(QSL(":verticaltabs/data/index.html"));
 
-    page.replace(QSL("%NAME%"), tr("Vertical Tabs"));
+    page.replace(QSL("%NAME%"), i18n("Vertical Tabs"));
 
     return page.toUtf8();
 }
@@ -54,7 +56,7 @@ QByteArray VerticalTabsSchemeHandler::groupPage() const
     QString page = QzTools::readAllFileContents(QSL(":verticaltabs/data/group.html"));
 
     page.replace(QSL("%FAVICON%"), QzTools::pixmapToDataUrl(QIcon(QSL(":verticaltabs/data/group.svg")).pixmap(16)).toString());
-    page.replace(QSL("%NEW-GROUP%"), tr("New Group"));
+    page.replace(QSL("%NEW-GROUP%"), i18n("New Group"));
 
     return page.toUtf8();
 }
diff --git a/src/plugins/VerticalTabs/verticaltabssettings.cpp b/src/plugins/VerticalTabs/verticaltabssettings.cpp
index 7dacb6ac2..647535daf 100644
--- a/src/plugins/VerticalTabs/verticaltabssettings.cpp
+++ b/src/plugins/VerticalTabs/verticaltabssettings.cpp
@@ -22,6 +22,8 @@
 #include <QDir>
 #include <QFileDialog>
 
+#include <KLocalizedString>
+
 VerticalTabsSettings::VerticalTabsSettings(VerticalTabsPlugin *plugin, QWidget *parent)
     : QDialog(parent)
     , ui(new Ui::VerticalTabsSettings)
@@ -58,7 +60,7 @@ void VerticalTabsSettings::themeValueChanged(int index)
 {
     const int customIndex = ui->theme->count() - 1;
     if (index == customIndex) {
-        const QString path = QFileDialog::getOpenFileName(this, tr("Theme file"), QDir::homePath(), {QSL("*.css")});
+        const QString path = QFileDialog::getOpenFileName(this, i18n("Theme file"), QDir::homePath(), {QSL("*.css")});
         if (path.isEmpty()) {
             loadThemes();
         } else {
@@ -83,7 +85,7 @@ void VerticalTabsSettings::loadThemes()
         }
     }
     ui->theme->setToolTip(m_plugin->theme());
-    ui->theme->addItem(tr("Custom..."), found ? QString() : m_plugin->theme());
+    ui->theme->addItem(i18n("Custom..."), found ? QString() : m_plugin->theme());
     if (!found) {
         ui->theme->setCurrentIndex(ui->theme->count() - 1);
     }
diff --git a/src/plugins/VerticalTabs/verticaltabswidget.cpp b/src/plugins/VerticalTabs/verticaltabswidget.cpp
index 05d40221e..6a467489c 100644
--- a/src/plugins/VerticalTabs/verticaltabswidget.cpp
+++ b/src/plugins/VerticalTabs/verticaltabswidget.cpp
@@ -32,6 +32,8 @@
 #include <QVBoxLayout>
 #include <QWheelEvent>
 
+#include <KLocalizedString>
+
 VerticalTabsWidget::VerticalTabsWidget(BrowserWindow *window)
     : QWidget()
     , m_window(window)
@@ -55,7 +57,7 @@ VerticalTabsWidget::VerticalTabsWidget(BrowserWindow *window)
     buttonAddTab->setObjectName(QSL("verticaltabs-button-addtab"));
     buttonAddTab->setAutoRaise(true);
     buttonAddTab->setFocusPolicy(Qt::NoFocus);
-    buttonAddTab->setToolTip(tr("New Tab"));
+    buttonAddTab->setToolTip(i18n("New Tab"));
     buttonAddTab->setIcon(QIcon::fromTheme(QSL("list-add")));
     buttonAddTab->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
     connect(buttonAddTab, &QAbstractButton::clicked, m_window, &BrowserWindow::addTab);
@@ -197,7 +199,7 @@ void VerticalTabsWidget::updateGroupMenu()
     }
 
     m_groupMenu->addSeparator();
-    m_groupMenu->addAction(tr("Add New Group..."), this, [this]() {
+    m_groupMenu->addAction(i18n("Add New Group..."), this, [this]() {
         m_window->tabWidget()->addView(QUrl(QSL("extension://verticaltabs/group")), Qz::NT_SelectedTab);
     });
 }