diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,18 +23,20 @@
     DBus
     Widgets
     Xml
+    WebEngineWidgets
 )
 
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
     Archive
     Bookmarks
+    Completion
     Config
     CoreAddons
     DBusAddons
     DocTools
     I18n
     Init
-    KHtml
+    KIO
     Service
     WindowSystem
 )
@@ -95,7 +97,6 @@
    application.cpp
    treebuilder.cpp
    infotree.cpp
-   fontdialog.cpp
    plugintraverser.cpp
    scrollkeepertreebuilder.cpp
    bookmarkowner.cpp
@@ -107,7 +108,7 @@
 
 kf5_add_kdeinit_executable( khelpcenter ${khelpcenter_KDEINIT_SRCS})
 target_compile_definitions(kdeinit_khelpcenter PRIVATE -DPROJECT_VERSION="${PROJECT_VERSION}")
-target_link_libraries(kdeinit_khelpcenter KF5::KHtml KF5::Service KF5::DBusAddons KF5::ConfigGui KF5::WindowSystem KF5::Bookmarks Qt5::Xml Grantlee5::Templates)
+target_link_libraries(kdeinit_khelpcenter KF5::I18n KF5::XmlGui KF5::KIOCore KF5::KIOWidgets KF5::Completion Qt5::WebEngineWidgets KF5::Service KF5::DBusAddons KF5::ConfigGui KF5::WindowSystem KF5::Bookmarks Qt5::Xml Grantlee5::Templates)
 target_link_libraries(kdeinit_khelpcenter KF5::DocTools)
 install(TARGETS kdeinit_khelpcenter  ${INSTALL_TARGETS_DEFAULT_ARGS} )
 install(TARGETS khelpcenter ${INSTALL_TARGETS_DEFAULT_ARGS})
diff --git a/bookmarkowner.cpp b/bookmarkowner.cpp
--- a/bookmarkowner.cpp
+++ b/bookmarkowner.cpp
@@ -23,8 +23,6 @@
 
 #include "view.h"
 
-#include <dom/html_document.h>
-
 using namespace KHC;
 
 BookmarkOwner::BookmarkOwner( View *view, QObject *parent )
@@ -39,12 +37,12 @@
 
 QString BookmarkOwner::currentTitle() const
 {
-  return currentUrl().isValid() ? mView->htmlDocument().title().string() : QString();
+  return currentUrl().isValid() ? mView->title() : QString();
 }
 
 QUrl BookmarkOwner::currentUrl() const
 {
-  const QUrl url = mView->baseURL();
+  const QUrl url = mView->url();
   // khelpcenter: URLs are internal, hence to not bookmark
   return url.scheme() == QLatin1String( "khelpcenter" ) ? QUrl() : url;
 }
diff --git a/fontdialog.h b/fontdialog.h
deleted file mode 100644
--- a/fontdialog.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- *  This file is part of the KDE Help Center
- *
- *  Copyright (C) 2003 Frerich Raabe <raabe@kde.org>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-#ifndef KHC_FONTDIALOG_H
-#define KHC_FONTDIALOG_H
-
-#include <QDialog>
-
-class QSpinBox;
-
-class KComboBox;
-class QFontComboBox;
-
-namespace KHC {
-
-  class FontDialog : public QDialog
-  {
-    Q_OBJECT
-    
-    public:
-      explicit FontDialog( QWidget *parent );
-
-    protected Q_SLOTS:
-      virtual void slotOk();
-
-    private:
-      void setupFontSizesBox();
-      void setupFontTypesBox();
-      void setupFontEncodingBox();
-
-      void load();
-      void save();
-
-      QSpinBox *m_minFontSize;
-      QSpinBox *m_medFontSize;
-      QFontComboBox *m_standardFontCombo;
-      QFontComboBox *m_fixedFontCombo;
-      QFontComboBox *m_serifFontCombo;
-      QFontComboBox *m_sansSerifFontCombo;
-      QFontComboBox *m_italicFontCombo;
-      QFontComboBox *m_fantasyFontCombo;
-      KComboBox *m_defaultEncoding;
-      QSpinBox *m_fontSizeAdjustement;
-  };
-
-}
-
-#endif // KHC_FONTDIALOG_H
-// vim:ts=4:sw=4:noet
diff --git a/fontdialog.cpp b/fontdialog.cpp
deleted file mode 100644
--- a/fontdialog.cpp
+++ /dev/null
@@ -1,236 +0,0 @@
-
-/*
- *  This file is part of the KDE Help Center
- *
- *  Copyright (C) 2003 Frerich Raabe <raabe@kde.org>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-
-#include "fontdialog.h"
-
-#include <KCharsets>
-#include <KComboBox>
-#include <KConfig>
-#include <KConfigGroup>
-#include <KLocalizedString>
-#include <KSharedConfig>
-
-#include <khtmldefaults.h>
-
-#include <QDialogButtonBox>
-#include <QFontComboBox>
-#include <QFontDatabase>
-#include <QGroupBox>
-#include <QLabel>
-#include <QLayout>
-#include <QPushButton>
-#include <QSpinBox>
-#include <QVBoxLayout>
-
-#include <prefs.h>
-
-using namespace KHC;
-
-FontDialog::FontDialog( QWidget *parent )
-	: QDialog( parent )
-{
-  setModal( true );
-  setWindowTitle( i18n( "Font Configuration" ) );
-  QVBoxLayout *mainLayout = new QVBoxLayout;
-  setLayout(mainLayout);
-
-  setupFontSizesBox();
-  setupFontTypesBox();
-  setupFontEncodingBox();
-
-  QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok|QDialogButtonBox::Cancel);
-  QPushButton *okButton = buttonBox->button(QDialogButtonBox::Ok);
-  okButton->setDefault(true);
-  okButton->setShortcut(Qt::CTRL | Qt::Key_Return);
-  connect(buttonBox, &QDialogButtonBox::accepted, this, &FontDialog::slotOk);
-  connect(buttonBox, &QDialogButtonBox::rejected, this, &FontDialog::reject);
-  mainLayout->addWidget(buttonBox);
-
-  load();
-}
-
-void FontDialog::slotOk()
-{
-  save();
-  accept();
-}
-
-void FontDialog::setupFontSizesBox()
-{
-  QGroupBox *gb = new QGroupBox( i18n( "Sizes" ), this );
-  layout()->addWidget( gb );
-
-  QGridLayout *layout = new QGridLayout( gb );
-//TODO PORT QT5   layout->setSpacing( QDialog::spacingHint() );
-//TODO PORT QT5   layout->setMargin( QDialog::marginHint() * 2 );
-
-  QLabel *lMinFontSize = new QLabel( i18nc( "The smallest size a will have", "M&inimum font size:" ), gb );
-  layout->addWidget( lMinFontSize, 0, 0 );
-  m_minFontSize = new QSpinBox( gb );
-  layout->addWidget( m_minFontSize, 0, 1 );
-  m_minFontSize->setRange( 1, 20 );
-  lMinFontSize->setBuddy( m_minFontSize );
-
-  QLabel *lMedFontSize = new QLabel( i18nc( "The normal size a font will have", "M&edium font size:" ), gb );
-  layout->addWidget( lMedFontSize, 1, 0 );
-  m_medFontSize = new QSpinBox( gb );
-  layout->addWidget( m_medFontSize, 1, 1 );
-  m_medFontSize->setRange( 4, 28 );
-  lMedFontSize->setBuddy( m_medFontSize );
-}
-
-void FontDialog::setupFontTypesBox()
-{
-  QGroupBox *gb = new QGroupBox( i18n( "Fonts" ), this );
-  layout()->addWidget( gb );
-
-  QGridLayout *layout = new QGridLayout( gb );
-//TODO PORT QT5   layout->setSpacing( QDialog::spacingHint() );
-//TODO PORT QT5   layout->setMargin( QDialog::marginHint() * 2 );
-
-  QLabel *lStandardFont = new QLabel( i18n( "S&tandard font:" ), gb );
-  layout->addWidget( lStandardFont, 0, 0 );
-  m_standardFontCombo = new QFontComboBox( gb );
-  layout->addWidget( m_standardFontCombo, 0, 1 );
-  lStandardFont->setBuddy( m_standardFontCombo );
-
-  QLabel *lFixedFont = new QLabel( i18n( "F&ixed font:" ), gb );
-  layout->addWidget( lFixedFont, 1, 0 );
-  m_fixedFontCombo = new QFontComboBox( gb );
-  layout->addWidget( m_fixedFontCombo, 1, 1 );
-  lFixedFont->setBuddy( m_fixedFontCombo );
-
-  QLabel *lSerifFont = new QLabel( i18n( "S&erif font:" ), gb );
-  layout->addWidget( lSerifFont, 2, 0 );
-  m_serifFontCombo = new QFontComboBox( gb );
-  layout->addWidget( m_serifFontCombo, 2, 1 );
-  lSerifFont->setBuddy( m_serifFontCombo );
-
-  QLabel *lSansSerifFont = new QLabel( i18n( "S&ans serif font:" ), gb );
-  layout->addWidget( lSansSerifFont, 3, 0 );
-  m_sansSerifFontCombo = new QFontComboBox( gb );
-  layout->addWidget( m_sansSerifFontCombo, 3, 1 );
-  lSansSerifFont->setBuddy( m_sansSerifFontCombo );
-
-  QLabel *lItalicFont = new QLabel( i18n( "&Italic font:" ), gb );
-  layout->addWidget( lItalicFont, 4, 0 );
-  m_italicFontCombo = new QFontComboBox( gb );
-  layout->addWidget( m_italicFontCombo, 4, 1 );
-  lItalicFont->setBuddy( m_italicFontCombo );
-
-  QLabel *lFantasyFont = new QLabel( i18n( "&Fantasy font:" ), gb );
-  layout->addWidget( lFantasyFont, 5, 0 );
-  m_fantasyFontCombo = new QFontComboBox( gb );
-  layout->addWidget( m_fantasyFontCombo, 5, 1 );
-  lFantasyFont->setBuddy( m_fantasyFontCombo );
-}
-
-void FontDialog::setupFontEncodingBox()
-{
-  QGroupBox *gb = new QGroupBox( i18n( "Encoding" ), this );
-  layout()->addWidget( gb );
-
-  QGridLayout *layout = new QGridLayout( gb );
-//TODO PORT QT5   layout->setSpacing( QDialog::spacingHint() );
-//TODO PORT QT5   layout->setMargin( QDialog::marginHint() * 2 );
-
-  QLabel *lDefaultEncoding = new QLabel( i18n( "&Default encoding:" ), gb );
-  layout->addWidget( lDefaultEncoding, 0, 0 );
-  m_defaultEncoding = new KComboBox( false, gb );
-  layout->addWidget( m_defaultEncoding, 0, 1 );
-  QStringList encodings = KCharsets::charsets()->availableEncodingNames();
-  encodings.prepend( i18n( "Use Language Encoding" ) );
-  m_defaultEncoding->addItems( encodings );
-  lDefaultEncoding->setBuddy( m_defaultEncoding );
-
-  QLabel *lFontSizeAdjustement = new QLabel( i18n( "&Font size adjustment:" ), gb );
-  layout->addWidget( lFontSizeAdjustement, 1, 0 );
-  m_fontSizeAdjustement = new QSpinBox( gb );
-  m_fontSizeAdjustement->setRange( -5, 5 );
-  m_fontSizeAdjustement->setSingleStep( 1 );
-  layout->addWidget( m_fontSizeAdjustement, 1, 1 );
-  lFontSizeAdjustement->setBuddy( m_fontSizeAdjustement );
-}
-
-void FontDialog::load()
-{
-  KSharedConfig::Ptr cfg = KSharedConfig::openConfig();
-  {
-    KConfigGroup configGroup( cfg, "HTML Settings" );
-
-    m_minFontSize->setValue( configGroup.readEntry( "MinimumFontSize", static_cast<int>(HTML_DEFAULT_MIN_FONT_SIZE) ) );
-    m_medFontSize->setValue( configGroup.readEntry( "MediumFontSize", 10 ) );
-
-    QStringList fonts = configGroup.readEntry( "Fonts" , QStringList() );
-      if ( fonts.isEmpty() ) {
-          fonts << QFontDatabase::systemFont(QFontDatabase::GeneralFont).family()
-          << QFontDatabase::systemFont(QFontDatabase::FixedFont).family()
-		  << QStringLiteral(HTML_DEFAULT_VIEW_SERIF_FONT)
-		  << QStringLiteral(HTML_DEFAULT_VIEW_SANSSERIF_FONT)
-		  << QStringLiteral(HTML_DEFAULT_VIEW_CURSIVE_FONT)
-		  << QStringLiteral(HTML_DEFAULT_VIEW_FANTASY_FONT)
-		  << QString();
-      }
-
-    m_standardFontCombo->setCurrentFont( fonts[ 0 ] );
-    m_fixedFontCombo->setCurrentFont( fonts[ 1 ] );
-    m_serifFontCombo->setCurrentFont( fonts[ 2 ] );
-    m_sansSerifFontCombo->setCurrentFont( fonts[ 3 ] );
-    m_italicFontCombo->setCurrentFont( fonts[ 4 ] );
-    m_fantasyFontCombo->setCurrentFont( fonts[ 5 ] );
-
-    QString encoding = configGroup.readEntry( "DefaultEncoding" );
-    if (encoding.isEmpty()) m_defaultEncoding->setCurrentIndex( 0 );
-    else m_defaultEncoding->setCurrentItem( encoding );
-    m_fontSizeAdjustement->setValue( fonts[ 6 ].toInt() );
-  }
-}
-
-void FontDialog::save()
-{
-  KSharedConfig::Ptr cfg = KSharedConfig::openConfig();
-  Prefs::setUseKonqSettings( false );
-  {
-    KConfigGroup configGroup( cfg, "HTML Settings" );
-
-    configGroup.writeEntry( "MinimumFontSize", m_minFontSize->value() );
-    configGroup.writeEntry( "MediumFontSize", m_medFontSize->value() );
-
-    QStringList fonts;
-    fonts << m_standardFontCombo->currentFont().family()
-	  << m_fixedFontCombo->currentFont().family()
-	  << m_serifFontCombo->currentFont().family()
-	  << m_sansSerifFontCombo->currentFont().family()
-	  << m_italicFontCombo->currentFont().family()
-	  << m_fantasyFontCombo->currentFont().family()
-	  << QString::number( m_fontSizeAdjustement->value() );
-
-    configGroup.writeEntry( "Fonts", fonts );
-
-    if ( m_defaultEncoding->currentText() == i18n( "Use Language Encoding" ) )
-	    configGroup.writeEntry( "DefaultEncoding", QString() );
-    else
-	    configGroup.writeEntry( "DefaultEncoding", m_defaultEncoding->currentText() );
-  }
-  cfg->sync();
-}
-
-// vim:ts=4:sw=4:noet
diff --git a/glossary.cpp b/glossary.cpp
--- a/glossary.cpp
+++ b/glossary.cpp
@@ -25,6 +25,7 @@
 
 #include <KProcess>
 #include <KXmlGuiWindow>
+#include <KLocalizedString>
 
 #include <QApplication>
 #include <QDir>
diff --git a/history.cpp b/history.cpp
--- a/history.cpp
+++ b/history.cpp
@@ -130,9 +130,6 @@
 
   Entry *current = *m_entries_current;
 
-  QDataStream stream( &current->buffer, QIODevice::WriteOnly );
-  view->browserExtension()->saveState( stream );
-
   current->view = view;
 
   if ( url.isEmpty() ) {
@@ -243,9 +240,8 @@
 
   QDataStream stream( h.buffer );
 
-  h.view->closeUrl();
+  h.view->stop();
   updateCurrentEntry( h.view );
-  h.view->browserExtension()->restoreState( stream );
   
 
   updateActions();
diff --git a/mainwindow.h b/mainwindow.h
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -24,13 +24,12 @@
 
 #include <KXmlGuiWindow>
 
-#include <KParts/BrowserExtension>
-
 #include "glossary.h"
 
 class QSplitter;
 
 class LogDialog;
+class KJob;
 
 namespace KIO {
 
@@ -58,7 +57,6 @@
     Q_SCRIPTABLE void lastSearch();
 
   public Q_SLOTS:
-    void print();
     void statusBarRichTextMessage(const QString &m);
     void statusBarMessage(const QString &m);
     void slotShowHome();
@@ -81,9 +79,7 @@
     /**
       Show document corresponding to given URL in viewer part.
     */
-    void viewUrl( const QUrl &url,
-                  const KParts::OpenUrlArguments &args = KParts::OpenUrlArguments(),
-                  const KParts::BrowserArguments &browserArgs = KParts::BrowserArguments() );
+    void viewUrl( const QUrl &url);
 
     void saveProperties( KConfigGroup &config ) override;
     void readProperties( const KConfigGroup &config ) override;
@@ -100,19 +96,14 @@
 
   private Q_SLOTS:
     void slotGlossSelected(const GlossaryEntry &entry);
-    void slotStarted(KIO::Job *job);
+    void slotStarted();
     void slotInfoMessage(KJob *, const QString &);
     void goInternalUrl( const QUrl & );
     /**
       This function is called when the user clicks on a link in the viewer part.
     */
-    void slotOpenURLRequest( const QUrl &url,
-                             const KParts::OpenUrlArguments &args = KParts::OpenUrlArguments(),
-                             const KParts::BrowserArguments &browserArgs = KParts::BrowserArguments());
+    void slotOpenURLRequest( const QUrl &url);
     void documentCompleted();
-    void slotIncFontSizes();
-    void slotDecFontSizes();
-    void slotConfigureFonts();
     void slotCopySelectedText();
 
 private:
diff --git a/mainwindow.cpp b/mainwindow.cpp
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -24,7 +24,6 @@
 #include "history.h"
 #include "view.h"
 #include "searchengine.h"
-#include "fontdialog.h"
 #include "khc_debug.h"
 #include "navigator.h"
 #include "grantleeformatter.h"
@@ -51,8 +50,7 @@
 #include <KBookmarkMenu>
 #include <KConfig>
 #include <KConfigGroup>
-#include <KHTMLSettings>
-#include <KHTMLView>
+#include <KLocalizedString>
 #include <KRun>
 #include <KStandardAction>
 #include <KStartupInfo>
@@ -113,20 +111,17 @@
     QDBusConnection::sessionBus().registerObject(QStringLiteral("/KHelpCenter"), this, QDBusConnection::ExportScriptableSlots);
     mSplitter = new QSplitter( this );
 
-    mDoc = new View( mSplitter, this, KHTMLPart::DefaultGUI, actionCollection() );
-    connect( mDoc, &View::setWindowCaption, this, &MainWindow::setWindowTitle );
-    connect( mDoc, &KParts::Part::setStatusBarText, this, &MainWindow::statusBarRichTextMessage );
-    connect( mDoc, &View::onURL, this, &MainWindow::statusBarMessage );
-    connect( mDoc, &View::started, this, &MainWindow::slotStarted );
-    connect( mDoc, QOverload<>::of(&View::completed), this, &MainWindow::documentCompleted );
+    mDoc = new View( mSplitter, actionCollection() );
+    connect( mDoc, &View::titleChanged, this, &MainWindow::setWindowTitle );
+    connect( mDoc->page(), &QWebEnginePage::linkHovered, this, &MainWindow::statusBarMessage );
+    connect( mDoc, &QWebEngineView::loadStarted, this, &MainWindow::slotStarted );
+    connect( mDoc, &View::loadFinished, this, &MainWindow::documentCompleted );
     connect( mDoc, &View::searchResultCacheAvailable, this, &MainWindow::enableLastSearchAction );
 
     connect( mDoc, &View::selectionChanged, this, &MainWindow::enableCopyTextAction );
 
     statusBar()->showMessage(i18n("Preparing Index"));
 
-    connect( mDoc->browserExtension(), &KParts::BrowserExtension::openUrlRequest, this, &MainWindow::slotOpenURLRequest );
-
     mNavigator = new Navigator( mDoc, mSplitter );
     mNavigator->setObjectName( QStringLiteral("nav") );
     connect( mNavigator, &Navigator::itemSelected, this, QOverload<const QString &>::of(&MainWindow::viewUrl) );
@@ -140,19 +135,8 @@
     sizes << 220 << 580;
     mSplitter->setSizes(sizes);
 
-    {
-      if ( Prefs::useKonqSettings() ) {
-        KConfig konqCfg( QStringLiteral("konquerorrc") );
-        const_cast<KHTMLSettings *>( mDoc->settings() )->init( &konqCfg );
-      }
-      const int fontScaleFactor = Prefs::fontzoomfactor();
-      mDoc->setFontScaleFactor( fontScaleFactor );
-    }
-
     setupActions();
 
-    foreach (QAction *act, mDoc->actionCollection()->actions())
-        actionCollection()->addAction(act->objectName(), act);
 
     setupBookmarks();
 
@@ -182,7 +166,7 @@
 
 void MainWindow::saveProperties( KConfigGroup &config )
 {
-    config.writePathEntry( "URL" , mDoc->baseURL().url() );
+    config.writePathEntry( "URL" , mDoc->url().toString() );
 }
 
 void MainWindow::readProperties( const KConfigGroup &config )
@@ -214,18 +198,6 @@
     actionCollection()->addAction( KStandardAction::Quit, this, SLOT(close()) );
     actionCollection()->addAction( KStandardAction::Print, this, SLOT(print()) );
 
-    QAction *prevPage  = actionCollection()->addAction( QStringLiteral("prevPage") );
-    prevPage->setText( i18n( "Previous Page" ) );
-    actionCollection()->setDefaultShortcut(prevPage, Qt::CTRL+Qt::Key_PageUp );
-    prevPage->setWhatsThis( i18n( "Moves to the previous page of the document" ) );
-    connect( prevPage, &QAction::triggered, mDoc, &View::prevPage );
-
-    QAction *nextPage  = actionCollection()->addAction( QStringLiteral("nextPage") );
-    nextPage->setText( i18n( "Next Page" ) );
-    actionCollection()->setDefaultShortcut(nextPage, Qt::CTRL + Qt::Key_PageDown );
-    nextPage->setWhatsThis( i18n( "Moves to the next page of the document" ) );
-    connect( nextPage, &QAction::triggered, mDoc, &View::nextPage );
-
     QAction *home = KStandardAction::home( this, SLOT(slotShowHome()), this );
     actionCollection()->addAction( home->objectName(), home );
     home->setText(i18n("Table of &Contents"));
@@ -253,19 +225,6 @@
 */
     History::self().setupActions( actionCollection() );
 
-    QAction *action = actionCollection()->addAction(QStringLiteral("configure_fonts" ));
-    action->setText( i18n( "Configure Fonts..." ) );
-    connect( action, &QAction::triggered, this, &MainWindow::slotConfigureFonts );
-
-    action = actionCollection()->addAction(QStringLiteral("incFontSizes"));
-    action->setText( i18n( "Increase Font Sizes" ) );
-    action->setIcon( QIcon::fromTheme( QStringLiteral("zoom-in") ) );
-    connect( action, &QAction::triggered, this, &MainWindow::slotIncFontSizes );
-
-    action = actionCollection()->addAction(QStringLiteral("decFontSizes"));
-    action->setText( i18n( "Decrease Font Sizes" ) );
-    action->setIcon( QIcon::fromTheme( QStringLiteral("zoom-out") ) );
-    connect( action, &QAction::triggered, this, &MainWindow::slotDecFontSizes );
 }
 
 void MainWindow::setupBookmarks()
@@ -289,41 +248,31 @@
   mDoc->copySelectedText();
 }
 
-void MainWindow::print()
+void MainWindow::slotStarted()
 {
-    mDoc->view()->print();
-}
-
-void MainWindow::slotStarted(KIO::Job *job)
-{
-    if (job)
-       connect(job, &KIO::Job::infoMessage, this, &MainWindow::slotInfoMessage);
-
     History::self().updateActions();
 }
 
 void MainWindow::goInternalUrl( const QUrl &url )
 {
-  mDoc->closeUrl();
+  mDoc->stop();
   slotOpenURLRequest( url );
 }
 
-void MainWindow::slotOpenURLRequest( const QUrl &url,
-                                     const KParts::OpenUrlArguments &args,
-                                     const KParts::BrowserArguments &browserArgs )
+void MainWindow::slotOpenURLRequest( const QUrl &url)
 {
   qCDebug(KHC_LOG) << url.url();
 
   mNavigator->selectItem( url );
-  viewUrl( url, args, browserArgs );
+  viewUrl( url );
 }
 
 void MainWindow::viewUrl( const QString &url )
 {
   viewUrl( QUrl( url ) );
 }
 
-void MainWindow::viewUrl( const QUrl &url, const KParts::OpenUrlArguments &args, const KParts::BrowserArguments &browserArgs )
+void MainWindow::viewUrl( const QUrl &url )
 {
     stop();
 
@@ -359,15 +308,12 @@
 
     History::self().createEntry();
 
-    mDoc->setArguments( args );
-    mDoc->browserExtension()->setBrowserArguments( browserArgs );
-
     if ( proto == QLatin1String("glossentry") ) {
         QString decodedEntryId = QUrl::fromPercentEncoding( QUrl::toPercentEncoding(url.path()) );
         slotGlossSelected( mNavigator->glossEntry( decodedEntryId ) );
         mNavigator->slotSelectGlossEntry( decodedEntryId );
     } else {
-        mDoc->openUrl( url );
+        mDoc->load( url );
     }
 }
 
@@ -418,14 +364,12 @@
 {
     stop();
     History::self().createEntry();
-    mDoc->begin( QUrl( QStringLiteral("glossentry:") + entry.id() ) );
-    mDoc->write( mDoc->grantleeFormatter()->formatGlossaryEntry( entry ) );
-    mDoc->end();
+    mDoc->setInternalHtml( mDoc->grantleeFormatter()->formatGlossaryEntry( entry ), QUrl( QStringLiteral("glossentry:") + entry.id() ) );
 }
 
 void MainWindow::stop()
 {
-    mDoc->closeUrl();
+    mDoc->stop();
     History::self().updateCurrentEntry( mDoc );
 }
 
@@ -468,40 +412,5 @@
   mLogDialog->raise();
 }
 
-void MainWindow::slotIncFontSizes()
-{
-  mDoc->slotIncFontSizes();
-  updateFontScaleActions();
-}
-
-void MainWindow::slotDecFontSizes()
-{
-  mDoc->slotDecFontSizes();
-  updateFontScaleActions();
-}
-
-void MainWindow::updateFontScaleActions()
-{
-  actionCollection()->action( QStringLiteral("incFontSizes") )->setEnabled( mDoc->fontScaleFactor() + mDoc->fontScaleStepping() <= 300 );
-  actionCollection()->action( QStringLiteral("decFontSizes") )->setEnabled( mDoc->fontScaleFactor() - mDoc->fontScaleStepping() >= 20 );
-
-  Prefs::setFontzoomfactor( mDoc->fontScaleFactor() );
-  Prefs::self()->save();
-}
-
-void MainWindow::slotConfigureFonts()
-{
-  FontDialog dlg( this );
-  if ( dlg.exec() == QDialog::Accepted )
-  {
-    if (mDoc->baseURL().isEmpty())
-    {
-        const_cast<KHTMLSettings *>( mDoc->settings() )->init( KSharedConfig::openConfig().data() );
-        slotShowHome();
-    }
-    else mDoc->slotReload();
-  }
-}
-
 
 // vim:ts=2:sw=2:et
diff --git a/navigator.cpp b/navigator.cpp
--- a/navigator.cpp
+++ b/navigator.cpp
@@ -37,6 +37,7 @@
 #include <KServiceGroup>
 #include <KServiceTypeTrader>
 #include <KShell>
+#include <KLocalizedString>
 
 #include "navigatoritem.h"
 #include "navigatorappitem.h"
@@ -363,7 +364,7 @@
   
   
   if ( url.scheme() == QLatin1String("khelpcenter") ) {
-      mView->closeUrl();
+      mView->stop();
       History::self().updateCurrentEntry( mView );
       History::self().createEntry();
       showOverview( item, url );
@@ -404,8 +405,6 @@
 
 void Navigator::showOverview( NavigatorItem *item, const QUrl &url )
 {
-  mView->beginInternal( url );
-
   QString title,name,content;
   uint childCount;
 
@@ -434,9 +433,8 @@
   else
     content += QLatin1String("<p></p>");
 
-  mView->write( mView->grantleeFormatter()->formatOverview( title, name, content ) );
+  mView->setInternalHtml( mView->grantleeFormatter()->formatOverview( title, name, content ), url );
 
-  mView->end();
 }
 
 QString Navigator::createChildrenList( QTreeWidgetItem *child, int level )
diff --git a/searchengine.cpp b/searchengine.cpp
--- a/searchengine.cpp
+++ b/searchengine.cpp
@@ -29,6 +29,8 @@
 
 #include <prefs.h>
 
+#include <KLocalizedString>
+
 namespace KHC
 {
 
diff --git a/view.h b/view.h
--- a/view.h
+++ b/view.h
@@ -22,83 +22,52 @@
 #ifndef KHC_VIEW_H
 #define KHC_VIEW_H
 
-#include <KHTMLPart>
+#include <QWebEngineView>
 
 class KActionCollection;
 
-namespace DOM {
-  class Node;
-  class HTMLLinkElement;
-}
-
 namespace KHC {
 
 class GrantleeFormatter;
 
-class View : public KHTMLPart
+class View : public QWebEngineView
 {
     Q_OBJECT
   public:
-    View( QWidget *parentWidget, QObject *parent, KHTMLPart::GUIProfile prof,
-          KActionCollection *col );
+    View( QWidget *parentWidget, KActionCollection *col );
 
     ~View();
 
-    bool openUrl( const QUrl &url ) override;
-
-    void saveState( QDataStream &stream ) override;
-    void restoreState( QDataStream &stream ) override;
-
     enum State { Docu, About, Search };
 
     int state() const { return mState; }
-    QString title() const { return mTitle; }
 
     static QString langLookup( const QString &fname );
 
     void beginSearchResult();
     void writeSearchResult( const QString & );
     void endSearchResult();
 
-    void beginInternal( const QUrl & );
+    void setInternalHtml(const QString&, const QUrl&);
     QUrl internalUrl() const;
 
-    int fontScaleStepping() const { return m_fontScaleStepping; }
-
     GrantleeFormatter *grantleeFormatter() const { return mGrantleeFormatter; }
 
     void copySelectedText();
 
   public Q_SLOTS:
     void lastSearch();
-    void slotIncFontSizes();
-    void slotDecFontSizes();
     void slotReload( const QUrl &url = QUrl() );
-    void slotCopyLink();
-    bool nextPage(bool checkOnly = false);
-    bool prevPage(bool checkOnly = false);
 
   Q_SIGNALS:
     void searchResultCacheAvailable();
 
-  protected:
-    bool eventFilter( QObject *o, QEvent *e ) override;
-
-  private Q_SLOTS:
-    void setTitle( const QString &title );
-    void showMenu( const QString& url, const QPoint& pos);
-
   private:
-    QUrl urlFromLinkNode( const DOM::HTMLLinkElement &link ) const;
- 
     int mState;
-    QString mTitle;
 
     QString mSearchResult;
     QUrl mInternalUrl;
 
-    int m_fontScaleStepping;
-
     GrantleeFormatter *mGrantleeFormatter;
     KActionCollection *mActionCollection;
     QString mCopyURL;
diff --git a/view.cpp b/view.cpp
--- a/view.cpp
+++ b/view.cpp
@@ -25,18 +25,21 @@
 #include "history.h"
 #include "khc_debug.h"
 
-#include <dom/html_document.h>
-#include <dom/html_head.h>
-#include <dom/html_misc.h>
-
 #include <KActionCollection>
-#include <KHTMLSettings>
-#include <KHTMLView>
 #include <KToolBarPopupAction>
 #include <KSharedConfig>
+#include <KLocalizedString>
 #include <docbookxslt.h>
+#include <KIO/TransferJob>
 
 #include <QClipboard>
+#include <QWebEngineScript>
+#include <QWebEngineScriptCollection>
+#include <QWebEngineSettings>
+#include <QWebEngineProfile>
+#include <QWebEnginePage>
+#include <QWebEngineUrlSchemeHandler>
+#include <QWebEngineUrlRequestJob>
 #include <QDir>
 #include <QFileInfo>
 #include <QGuiApplication>
@@ -46,36 +49,72 @@
 #include <QStandardPaths>
 #include <QTextStream>
 #include <QWhatsThis>
+#include <QBuffer>
+
+
 
 using namespace KHC;
 
-View::View( QWidget *parentWidget, QObject *parent, KHTMLPart::GUIProfile prof, KActionCollection *col )
-    : KHTMLPart( parentWidget, parent, prof ), mState( Docu ), mActionCollection(col)
+class HelpUrlSchemeHandler : public QWebEngineUrlSchemeHandler {
+    void requestStarted(QWebEngineUrlRequestJob* job) {
+                                    qCDebug(KHC_LOG) << job->requestUrl();
+        KIO::TransferJob* kiojob = KIO::get(job->requestUrl(), KIO::NoReload);
+        QByteArray result;
+        connect(kiojob, &KIO::TransferJob::data, this, [&result](KJob*, QByteArray data) {
+            result += data;
+        });
+        kiojob->exec();
+        auto buffer = new QBuffer(job);
+        buffer->setData(result);
+        job->reply("text/html", buffer);
+        
+        
+    }
+};
+
+View::View( QWidget *parentWidget, KActionCollection *col )
+    : QWebEngineView( parentWidget), mState( Docu ), mActionCollection(col)
 {
-    setJScriptEnabled(false);
-    setJavaEnabled(false);
-    setPluginsEnabled(false);
+    page()->settings()->setUnknownUrlSchemePolicy(QWebEngineSettings::AllowAllUnknownUrlSchemes);
+    page()->settings()->setAttribute(QWebEngineSettings::ErrorPageEnabled,true);
 
-    mGrantleeFormatter = new GrantleeFormatter;
+    page()->settings()->setAttribute(QWebEngineSettings::PluginsEnabled, false);
+    page()->settings()->setAttribute(QWebEngineSettings::JavascriptEnabled, false);
+
+    page()->profile()->installUrlSchemeHandler("help",new HelpUrlSchemeHandler);
+    page()->profile()->installUrlSchemeHandler("khelpcenter",new HelpUrlSchemeHandler);
+    page()->profile()->installUrlSchemeHandler("man",new HelpUrlSchemeHandler);
+    page()->profile()->installUrlSchemeHandler("file",new HelpUrlSchemeHandler);
 
-    m_fontScaleStepping = 10;
 
-    connect(this, &View::setWindowCaption, this, &View::setTitle);
-    connect( this, QOverload<const QString &, const QPoint &>::of(&View::popupMenu), this, &View::showMenu );
+    mGrantleeFormatter = new GrantleeFormatter;
 
     QString css = langLookup(QStringLiteral("kdoctools5-common/kde-default.css"));
     if (!css.isEmpty())
     {
-       QFile css_file(css);
-       if (css_file.open(QIODevice::ReadOnly))
-       {
-          QTextStream s(&css_file);
-          QString stylesheet = s.readAll();
-          preloadStyleSheet(QStringLiteral("help:/kdoctools5-common/kde-default.css"), stylesheet);
+        QFile css_file(css);
+        if (css_file.open(QIODevice::ReadOnly))
+        {
+            QTextStream stream(&css_file);
+            QString stylesheet = stream.readAll().replace(QLatin1Char('"'),QLatin1Char(' '));
+            QWebEngineScript script;
+            QString s = QString::fromLatin1("(function() {"\
+                                            "    css = document.createElement('style');"\
+                                            "    css.type = 'text/css';"\
+                                            "    css.id = '%1';"\
+                                            "    document.head.appendChild(css);"\
+                                            "    css.innerText = \"%2\";"\
+                                            "})()").arg(QStringLiteral("default")).arg(stylesheet.simplified());
+            script.setName(QStringLiteral("default"));
+            script.setSourceCode(s);
+            script.setInjectionPoint(QWebEngineScript::DocumentReady);
+            script.setRunsOnSubFrames(true);
+            script.setWorldId(QWebEngineScript::ApplicationWorld);
+            page()->scripts().insert(script);
        }
     }
 
-    view()->installEventFilter( this );
+    page()->installEventFilter( this );
 }
 
 View::~View()
@@ -88,26 +127,6 @@
     qobject_cast<QGuiApplication*>(qApp)->clipboard()->setText( selectedText() );
 }
 
-bool View::openUrl( const QUrl &url )
-{
-    mState = Docu;
-    return KHTMLPart::openUrl( url );
-}
-
-void View::saveState( QDataStream &stream )
-{
-    stream << mState;
-    if ( mState == Docu )
-        KHTMLPart::saveState( stream );
-}
-
-void View::restoreState( QDataStream &stream )
-{
-    stream >> mState;
-    if ( mState == Docu )
-        KHTMLPart::restoreState( stream );
-}
-
 QString View::langLookup( const QString &fname )
 {
     QStringList search;
@@ -153,35 +172,28 @@
     return QString();
 }
 
-void View::setTitle( const QString &title )
-{
-    mTitle = title;
-}
-
 void View::beginSearchResult()
 {
   mState = Search;
 
-  begin( QUrl( QStringLiteral( "khelpcenter:search/result" ) ) );
   mSearchResult = QString();
 }
 
 void View::writeSearchResult( const QString &str )
 {
-  write( str );
   mSearchResult += str;
 }
 
 void View::endSearchResult()
 {
-  end();
+  setInternalHtml(mSearchResult, QUrl( QStringLiteral( "khelpcenter:search/result" ) ) );
   if ( !mSearchResult.isEmpty() ) emit searchResultCacheAvailable();
 }
 
-void View::beginInternal( const QUrl &url )
+void View::setInternalHtml(const QString& data,  const QUrl &url )
 {
   mInternalUrl = url;
-  begin( mInternalUrl );
+  setHtml(data, url);
 }
 
 QUrl View::internalUrl() const
@@ -195,170 +207,15 @@
 
   mState = Search;
 
-  begin( QUrl( QStringLiteral( "khelpcenter:search/last" ) ) );
-  write( mSearchResult );
-  end();
-}
-
-void View::slotIncFontSizes()
-{
-  setFontScaleFactor( fontScaleFactor() + m_fontScaleStepping );
-}
-
-void View::slotDecFontSizes()
-{
-  setFontScaleFactor( fontScaleFactor() - m_fontScaleStepping );
-}
-
-void View::showMenu( const QString& url, const QPoint& pos)
-{
-  QMenu pop(view());
-
-  if (url.isEmpty())
-  {
-    QAction *action;
-    action = mActionCollection->action(QStringLiteral("go_home"));
-    if (action) pop.addAction( action );
-
-    pop.addSeparator();
-
-    action = mActionCollection->action(QStringLiteral("prevPage"));
-    if (action) pop.addAction( action );
-    action = mActionCollection->action(QStringLiteral("nextPage"));
-    if (action) pop.addAction( action);
-
-    pop.addSeparator();
-
-    pop.addAction( History::self().m_backAction );
-    pop.addAction( History::self().m_forwardAction );
-  }
-  else
-  {
-    QAction *action = pop.addAction(i18n("Copy Link Address"));
-    connect(action, &QAction::triggered, this, &View::slotCopyLink);
-
-    mCopyURL = completeURL(url).url();
-  }
-
-  pop.exec(pos);
-}
-
-void View::slotCopyLink()
-{
-  QGuiApplication::clipboard()->setText(mCopyURL);
-}
-
-static DOM::HTMLLinkElement findLink(const DOM::NodeList& links, const char *rel)
-{ 
-  for (unsigned i = 0; i <= links.length(); ++i) {
-    DOM::HTMLLinkElement link(links.item(i));
-    if (link.isNull())
-      continue;
-
-    if (link.rel() == rel)
-      return link;
-  }
-  return DOM::HTMLLinkElement();
-}
-
-bool View::prevPage(bool checkOnly)
-{
-  const DOM::NodeList links = document().getElementsByTagName("link");
-
-  QUrl prevURL = urlFromLinkNode( findLink(links, "prev") );
-
-  if (!prevURL.isValid())
-    return false;
-
-  if (!checkOnly)
-    emit browserExtension()->openUrlRequest(prevURL);
-  return true;
-}
-
-bool View::nextPage(bool checkOnly)
-{
-  const DOM::NodeList links = document().getElementsByTagName("link");
-
-  QUrl nextURL = urlFromLinkNode( findLink(links, "next") );
-
-  if (!nextURL.isValid())
-    return false;
-
-  if (!checkOnly)
-    emit browserExtension()->openUrlRequest(nextURL);
-  return true;
-}
-
-bool View::eventFilter( QObject *o, QEvent *e )
-{
-  if ( htmlDocument().links().length() == 0 )
-    return KHTMLPart::eventFilter( o, e );
-
-  switch ( e->type() ) {
-    case QEvent::KeyPress: {
-      QKeyEvent *ke = static_cast<QKeyEvent *>( e );
-      if ( ke->modifiers() & Qt::ShiftModifier && ke->key() == Qt::Key_Space ) {
-        // If we're on the first page, it does not make sense to go back.
-        if ( baseURL().path().endsWith( QLatin1String("/index.html") ) )
-          return KHTMLPart::eventFilter( o, e );
-
-        const QScrollBar * const scrollBar = view()->verticalScrollBar();
-        if ( scrollBar->value() == scrollBar->minimum() ) {
-          if (prevPage())
-            return true;
-        }
-      } else if ( ke->key() == Qt::Key_Space ) {
-        const QScrollBar * const scrollBar = view()->verticalScrollBar();
-        if ( scrollBar->value() == scrollBar->maximum() ) {
-          if (nextPage())
-            return true;
-        }
-      }
-      break;
-    }
-    case QEvent::WhatsThis: {
-      QHelpEvent *he = static_cast<QHelpEvent *>( e );
-      const QString text = i18n( "<p>Read the topic documentation in this window.<br /><br />Press <b>Space</b>/<b>Shift+Space</b> to scroll, <b>%1</b> to find something, <b>Tab</b>/<b>Shift+Tab</b> to jump, and <b>Enter</b> to follow.</p>",
-                                 actionCollection()->action( QStringLiteral("find") )->shortcut().toString( QKeySequence::NativeText ) );
-      QWhatsThis::showText( he->globalPos(), text, qobject_cast<QWidget *>( o ) );
-      e->accept();
-      return true;
-    }
-    case QEvent::QueryWhatsThis:
-      e->accept();
-      return true;
-    default:
-      break;
-  }
-  return KHTMLPart::eventFilter( o, e );
-}
-
-QUrl View::urlFromLinkNode( const DOM::HTMLLinkElement &link ) const
-{
-  if ( link.isNull() )
-    return QUrl();
-
-  DOM::DOMString domHref = link.href();
-  if (domHref.isNull())
-    return QUrl();
-
-  const QUrl domHrefUrl( domHref.string() );
-  if ( !domHrefUrl.isRelative() )
-    return domHrefUrl;
-
-  return QUrl(baseURL().toString() +QLatin1Char('/')+ domHref.string());
+  setHtml( mSearchResult, QUrl( QStringLiteral( "khelpcenter:search/last" ) )  );
 }
 
 void View::slotReload( const QUrl &url )
 {
-  const_cast<KHTMLSettings *>( settings() )->init( KSharedConfig::openConfig().data() );
-  KParts::OpenUrlArguments args = arguments();
-  args.setReload( true );
-  setArguments( args );
   if ( url.isEmpty() )
-    openUrl( baseURL() );
+    reload();
   else
-    openUrl( url );
+    load( url );
 }