diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.5)
 
 set(KF5_MIN_VERSION "5.57.0")
-set(PIM_VERSION "5.11.40")
+set(PIM_VERSION "5.11.41")
 
 project(GrantleeTheme VERSION ${PIM_VERSION})
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -3,6 +3,7 @@
 add_subdirectory(plugin)
 
 set(libgrantleetheme_SRCS
+    genericformatter.cpp
     grantleetheme.cpp
     grantleethememanager.cpp
     grantleethemeengine.cpp
@@ -43,6 +44,7 @@
 
 ecm_generate_headers(GrantleeTheme_CamelCase_HEADERS
   HEADER_NAMES
+  GenericFormatter
   GrantleeThemeManager
   GrantleeTheme
   GrantleeThemeEngine
@@ -74,5 +76,3 @@
 install(FILES
     ${PRI_FILENAME}
     DESTINATION ${ECM_MKSPECS_INSTALL_DIR})
-
-
diff --git a/src/genericformatter.h b/src/genericformatter.h
new file mode 100644
--- /dev/null
+++ b/src/genericformatter.h
@@ -0,0 +1,62 @@
+/*
+  Copyright (c) 2016-2019 Montel Laurent <montel@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 GRANTLEETHEME_GENERICFORMATTER_H
+#define GRANTLEETHEME_GENERICFORMATTER_H
+
+#include "grantleetheme_export.h"
+
+#include <memory>
+
+#include <QVariant>
+
+class QString;
+
+namespace GrantleeTheme {
+
+class GenericFormatterPrivate;
+
+/** Convenience class for using a Grantlee theme. */
+class GRANTLEETHEME_EXPORT GenericFormatter
+{
+public:
+    GenericFormatter();
+    explicit GenericFormatter(const QString &defaultHtmlMain, const QString &themePath);
+    ~GenericFormatter();
+
+    void setDefaultHtmlMainFile(const QString &name);
+    void setTemplatePath(const QString &path);
+
+    /** Translation domain for the Grantlee localizer. */
+    void setApplicationDomain(const QByteArray &domain);
+
+    QString render(const QVariantHash &mapping) const;
+    QString errorMessage() const;
+
+    /** Set template content from a string rather than a file. */
+    void setTemplateContent(const QString &content);
+
+    void reloadTemplate();
+
+private:
+    std::unique_ptr<GenericFormatterPrivate> const d;
+};
+
+}
+
+#endif // GRANTLEETHEME_GENERICFORMATTER_H
diff --git a/src/genericformatter.cpp b/src/genericformatter.cpp
new file mode 100644
--- /dev/null
+++ b/src/genericformatter.cpp
@@ -0,0 +1,109 @@
+/*
+  Copyright (c) 2016-2019 Montel Laurent <montel@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 "genericformatter.h"
+#include "grantleethemeengine.h"
+#include "grantleeki18nlocalizer.h"
+
+using namespace GrantleeTheme;
+
+class GrantleeTheme::GenericFormatterPrivate
+{
+public:
+    GenericFormatterPrivate()
+        : mEngine(new Engine)
+    {
+    }
+
+    QString mThemePath;
+    QString mDefaultMainFile;
+    std::unique_ptr<Engine> mEngine;
+    QString mErrorMessage;
+    QSharedPointer<Grantlee::FileSystemTemplateLoader> mTemplateLoader;
+    Grantlee::Template mTemplate;
+};
+
+
+GenericFormatter::GenericFormatter(const QString &defaultHtmlMain, const QString &themePath)
+    : d(new GenericFormatterPrivate)
+{
+    d->mThemePath = themePath;
+    d->mDefaultMainFile = defaultHtmlMain;
+    setTemplatePath(d->mThemePath);
+}
+
+GenericFormatter::GenericFormatter()
+    : d(new GenericFormatterPrivate)
+{
+}
+
+GenericFormatter::~GenericFormatter() = default;
+
+void GenericFormatter::setDefaultHtmlMainFile(const QString &name)
+{
+    if (d->mDefaultMainFile != name) {
+        d->mDefaultMainFile = name;
+        reloadTemplate();
+    }
+}
+
+void GenericFormatter::setTemplatePath(const QString &path)
+{
+    if (!d->mTemplateLoader) {
+        d->mTemplateLoader.reset(new Grantlee::FileSystemTemplateLoader);
+    }
+    d->mTemplateLoader->setTemplateDirs(QStringList() << path);
+    d->mEngine->addTemplateLoader(d->mTemplateLoader);
+
+    reloadTemplate();
+}
+
+void GenericFormatter::setApplicationDomain(const QByteArray &domain)
+{
+    d->mEngine->localizer()->setApplicationDomain(domain);
+}
+
+QString GenericFormatter::errorMessage() const
+{
+    return d->mErrorMessage;
+}
+
+QString GenericFormatter::render(const QVariantHash &mapping) const
+{
+    Grantlee::Context context(mapping);
+    context.setLocalizer(d->mEngine->localizer());
+
+    const QString contentHtml = d->mTemplate->render(&context);
+    return contentHtml;
+}
+
+void GenericFormatter::setTemplateContent(const QString &content)
+{
+    d->mTemplate = d->mEngine->newTemplate(content, QStringLiteral("content"));
+    if (d->mTemplate->error()) {
+        d->mErrorMessage = d->mTemplate->errorString() + QLatin1String("<br>");
+    }
+}
+
+void GenericFormatter::reloadTemplate()
+{
+    d->mTemplate = d->mEngine->loadByName(d->mDefaultMainFile);
+    if (d->mTemplate->error()) {
+        d->mErrorMessage += d->mTemplate->errorString() + QLatin1String("<br>");
+    }
+}