diff --git a/src/lib/downloads/downloadfilehelper.cpp b/src/lib/downloads/downloadfilehelper.cpp
index 34000be48..79e03d60e 100644
--- a/src/lib/downloads/downloadfilehelper.cpp
+++ b/src/lib/downloads/downloadfilehelper.cpp
@@ -111,86 +111,6 @@ void DownloadFileHelper::handleUnsupportedContent(QNetworkReply* reply, const Do
     }
 }
 
-// http://stackoverflow.com/questions/1031645/how-to-detect-utf-8-in-plain-c
-static bool isUtf8(const char* string)
-{
-    if (!string) {
-        return 0;
-    }
-
-    const unsigned char* bytes = (const unsigned char*)string;
-    while (*bytes) {
-        if ((// ASCII
-                    bytes[0] == 0x09 ||
-                    bytes[0] == 0x0A ||
-                    bytes[0] == 0x0D ||
-                    (0x20 <= bytes[0] && bytes[0] <= 0x7F)
-                )
-           ) {
-            bytes += 1;
-            continue;
-        }
-
-        if ((// non-overlong 2-byte
-                    (0xC2 <= bytes[0] && bytes[0] <= 0xDF) &&
-                    (0x80 <= bytes[1] && bytes[1] <= 0xBF)
-                )
-           ) {
-            bytes += 2;
-            continue;
-        }
-
-        if ((// excluding overlongs
-                    bytes[0] == 0xE0 &&
-                    (0xA0 <= bytes[1] && bytes[1] <= 0xBF) &&
-                    (0x80 <= bytes[2] && bytes[2] <= 0xBF)
-                ) ||
-                (// straight 3-byte
-                    ((0xE1 <= bytes[0] && bytes[0] <= 0xEC) ||
-                     bytes[0] == 0xEE ||
-                     bytes[0] == 0xEF) &&
-                    (0x80 <= bytes[1] && bytes[1] <= 0xBF) &&
-                    (0x80 <= bytes[2] && bytes[2] <= 0xBF)
-                ) ||
-                (// excluding surrogates
-                    bytes[0] == 0xED &&
-                    (0x80 <= bytes[1] && bytes[1] <= 0x9F) &&
-                    (0x80 <= bytes[2] && bytes[2] <= 0xBF)
-                )
-           ) {
-            bytes += 3;
-            continue;
-        }
-
-        if ((// planes 1-3
-                    bytes[0] == 0xF0 &&
-                    (0x90 <= bytes[1] && bytes[1] <= 0xBF) &&
-                    (0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
-                    (0x80 <= bytes[3] && bytes[3] <= 0xBF)
-                ) ||
-                (// planes 4-15
-                    (0xF1 <= bytes[0] && bytes[0] <= 0xF3) &&
-                    (0x80 <= bytes[1] && bytes[1] <= 0xBF) &&
-                    (0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
-                    (0x80 <= bytes[3] && bytes[3] <= 0xBF)
-                ) ||
-                (// plane 16
-                    bytes[0] == 0xF4 &&
-                    (0x80 <= bytes[1] && bytes[1] <= 0x8F) &&
-                    (0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
-                    (0x80 <= bytes[3] && bytes[3] <= 0xBF)
-                )
-           ) {
-            bytes += 4;
-            continue;
-        }
-
-        return false;
-    }
-
-    return true;
-}
-
 QString DownloadFileHelper::parseContentDisposition(const QByteArray &header)
 {
     QString path;
@@ -201,7 +121,7 @@ QString DownloadFileHelper::parseContentDisposition(const QByteArray &header)
 
     QString value;
 
-    if (isUtf8(header.constData())) {
+    if (QzTools::isUtf8(header.constData())) {
         value = QString::fromUtf8(header);
     }
     else {
diff --git a/src/lib/network/schemehandlers/ftpschemehandler.cpp b/src/lib/network/schemehandlers/ftpschemehandler.cpp
index a70709391..528fa8212 100644
--- a/src/lib/network/schemehandlers/ftpschemehandler.cpp
+++ b/src/lib/network/schemehandlers/ftpschemehandler.cpp
@@ -110,7 +110,7 @@ void FtpSchemeReply::processCommand(int id, bool err)
             m_ftp->list();
         }
         else {
-            m_ftpCdId = m_ftp->cd(url().path());
+            m_ftpCdId = m_ftp->cd(QString::fromLatin1(QByteArray::fromPercentEncoding(url().path().toUtf8())));
         }
         break;
 
@@ -122,6 +122,13 @@ void FtpSchemeReply::processCommand(int id, bool err)
         if (m_isGoingToDownload) {
             foreach(const QUrlInfo & item, m_items) {
                 if (item.isFile() && item.name() == m_probablyFileForDownload) {
+                    QByteArray decodedUrl = QByteArray::fromPercentEncoding(url().toString().toUtf8());
+                    if (QzTools::isUtf8(decodedUrl.constData())) {
+                        m_request.setUrl(QUrl(QString::fromUtf8(decodedUrl)));
+                    }
+                    else {
+                        m_request.setUrl(QUrl(QString::fromLatin1(decodedUrl)));
+                    }
                     emit downloadRequest(m_request);
                     abort();
                     break;
@@ -145,8 +152,13 @@ void FtpSchemeReply::processCommand(int id, bool err)
     }
 }
 
-void FtpSchemeReply::processListInfo(const QUrlInfo &urlInfo)
+void FtpSchemeReply::processListInfo(QUrlInfo urlInfo)
 {
+    QByteArray nameLatin1 = urlInfo.name().toLatin1();
+    if (QzTools::isUtf8(nameLatin1.constData())) {
+        urlInfo.setName(QString::fromUtf8(nameLatin1));
+    }
+
     m_items.append(urlInfo);
 }
 
@@ -247,7 +259,16 @@ QString FtpSchemeReply::loadDirectory()
     }
 
     QString page = sPage;
-    page.replace(QLatin1String("%TITLE%"), tr("Index for %1").arg(url().toString()));
+
+    QByteArray titleByteArray = QByteArray::fromPercentEncoding(url().toString().toUtf8());
+    QString title;
+    if (QzTools::isUtf8(titleByteArray.constData())) {
+        title = QString::fromUtf8(titleByteArray);
+    }
+    else {
+        title = QString::fromLatin1(titleByteArray);
+    }
+    page.replace(QLatin1String("%TITLE%"), tr("Index for %1").arg(title));
 
     QString upDirDisplay = QLatin1String("none");
     QString tBody;
@@ -334,12 +355,18 @@ void FtpSchemeReply::ftpReplyErrorHandler(int id)
         }
         QStringList sections = url().path().split(QLatin1Char('/'), QString::SkipEmptyParts);
         if (!sections.isEmpty()) {
-            m_probablyFileForDownload = sections.takeLast();
+            QByteArray lastSection = QByteArray::fromPercentEncoding(sections.takeLast().toUtf8());
+            if (QzTools::isUtf8(lastSection.constData())) {
+                m_probablyFileForDownload = QString::fromUtf8(lastSection);
+            }
+            else {
+                m_probablyFileForDownload = QString::fromLatin1(lastSection);
+            }
         }
         if (!m_probablyFileForDownload.isEmpty()) {
             m_isGoingToDownload = true;
             QString parentOfPath = QString("/%1/").arg(sections.join(QLatin1String("/")));
-            m_ftpCdId = m_ftp->cd(parentOfPath);
+            m_ftpCdId = m_ftp->cd(QString::fromLatin1(QByteArray::fromPercentEncoding(parentOfPath.toUtf8())));
         }
         else {
             abort();
@@ -368,7 +395,7 @@ FtpDownloader::FtpDownloader(QObject* parent)
 
 void FtpDownloader::download(const QUrl &url, QIODevice* dev)
 {
-    m_url = url;
+    m_url = QUrl(QString::fromLatin1(QByteArray::fromPercentEncoding(url.toString().toUtf8())));
     m_dev = dev;
     QString server = m_url.host();
     if (server.isEmpty()) {
diff --git a/src/lib/network/schemehandlers/ftpschemehandler.h b/src/lib/network/schemehandlers/ftpschemehandler.h
index 30fb510d4..4b8ded1ff 100644
--- a/src/lib/network/schemehandlers/ftpschemehandler.h
+++ b/src/lib/network/schemehandlers/ftpschemehandler.h
@@ -65,7 +65,7 @@ protected:
 
 private slots:
     void processCommand(int id, bool err);
-    void processListInfo(const QUrlInfo &urlInfo);
+    void processListInfo(QUrlInfo urlInfo);
     void processData();
     QString loadDirectory();
     void loadPage();
diff --git a/src/lib/tools/qztools.cpp b/src/lib/tools/qztools.cpp
index 434a75909..e0fd2b9bf 100644
--- a/src/lib/tools/qztools.cpp
+++ b/src/lib/tools/qztools.cpp
@@ -362,6 +362,86 @@ QIcon QzTools::iconFromFileName(const QString &fileName)
     return icon;
 }
 
+// http://stackoverflow.com/questions/1031645/how-to-detect-utf-8-in-plain-c
+bool QzTools::isUtf8(const char* string)
+{
+    if (!string) {
+        return 0;
+    }
+
+    const unsigned char* bytes = (const unsigned char*)string;
+    while (*bytes) {
+        if ((// ASCII
+                    bytes[0] == 0x09 ||
+                    bytes[0] == 0x0A ||
+                    bytes[0] == 0x0D ||
+                    (0x20 <= bytes[0] && bytes[0] <= 0x7F)
+                )
+           ) {
+            bytes += 1;
+            continue;
+        }
+
+        if ((// non-overlong 2-byte
+                    (0xC2 <= bytes[0] && bytes[0] <= 0xDF) &&
+                    (0x80 <= bytes[1] && bytes[1] <= 0xBF)
+                )
+           ) {
+            bytes += 2;
+            continue;
+        }
+
+        if ((// excluding overlongs
+                    bytes[0] == 0xE0 &&
+                    (0xA0 <= bytes[1] && bytes[1] <= 0xBF) &&
+                    (0x80 <= bytes[2] && bytes[2] <= 0xBF)
+                ) ||
+                (// straight 3-byte
+                    ((0xE1 <= bytes[0] && bytes[0] <= 0xEC) ||
+                     bytes[0] == 0xEE ||
+                     bytes[0] == 0xEF) &&
+                    (0x80 <= bytes[1] && bytes[1] <= 0xBF) &&
+                    (0x80 <= bytes[2] && bytes[2] <= 0xBF)
+                ) ||
+                (// excluding surrogates
+                    bytes[0] == 0xED &&
+                    (0x80 <= bytes[1] && bytes[1] <= 0x9F) &&
+                    (0x80 <= bytes[2] && bytes[2] <= 0xBF)
+                )
+           ) {
+            bytes += 3;
+            continue;
+        }
+
+        if ((// planes 1-3
+                    bytes[0] == 0xF0 &&
+                    (0x90 <= bytes[1] && bytes[1] <= 0xBF) &&
+                    (0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
+                    (0x80 <= bytes[3] && bytes[3] <= 0xBF)
+                ) ||
+                (// planes 4-15
+                    (0xF1 <= bytes[0] && bytes[0] <= 0xF3) &&
+                    (0x80 <= bytes[1] && bytes[1] <= 0xBF) &&
+                    (0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
+                    (0x80 <= bytes[3] && bytes[3] <= 0xBF)
+                ) ||
+                (// plane 16
+                    bytes[0] == 0xF4 &&
+                    (0x80 <= bytes[1] && bytes[1] <= 0x8F) &&
+                    (0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
+                    (0x80 <= bytes[3] && bytes[3] <= 0xBF)
+                )
+           ) {
+            bytes += 4;
+            continue;
+        }
+
+        return false;
+    }
+
+    return true;
+}
+
 // Qt5 migration help functions
 bool QzTools::isCertificateValid(const QSslCertificate &cert)
 {
diff --git a/src/lib/tools/qztools.h b/src/lib/tools/qztools.h
index fd3c07c87..46defb34f 100644
--- a/src/lib/tools/qztools.h
+++ b/src/lib/tools/qztools.h
@@ -57,6 +57,7 @@ QPixmap QT_QUPZILLA_EXPORT createPixmapForSite(const QIcon &icon, const QString
 QString QT_QUPZILLA_EXPORT applyDirectionToPage(QString &pageContents);
 
 QIcon QT_QUPZILLA_EXPORT iconFromFileName(const QString &fileName);
+bool QT_QUPZILLA_EXPORT isUtf8(const char* string);
 
 QString QT_QUPZILLA_EXPORT buildSystem();