diff --git a/src/Mod/Spreadsheet/App/Sheet.cpp b/src/Mod/Spreadsheet/App/Sheet.cpp
index 2c82a184d8..f94a1d9642 100644
--- a/src/Mod/Spreadsheet/App/Sheet.cpp
+++ b/src/Mod/Spreadsheet/App/Sheet.cpp
@@ -912,7 +912,7 @@ void Sheet::recomputeCell(CellAddress p)
         }
     }
     catch (const Base::Exception& e) {
-        QString msg = QString::fromUtf8("ERR: %1").arg(QString::fromUtf8(e.what()));
+        QString msg = QStringLiteral("ERR: %1").arg(QString::fromUtf8(e.what()));
 
         setStringProperty(p, msg.toStdString());
         if (cell) {
diff --git a/src/Mod/Spreadsheet/Gui/DlgBindSheet.cpp b/src/Mod/Spreadsheet/Gui/DlgBindSheet.cpp
index a92b4a07d2..6e9463abd4 100644
--- a/src/Mod/Spreadsheet/Gui/DlgBindSheet.cpp
+++ b/src/Mod/Spreadsheet/Gui/DlgBindSheet.cpp
@@ -99,9 +99,8 @@ DlgBindSheet::DlgBindSheet(Sheet* sheet, const std::vector<Range>& ranges, QWidg
     ui->lineEditToStart->setText(QLatin1String(toStart.c_str()));
     ui->lineEditToEnd->setText(QLatin1String(toEnd.c_str()));
 
-    ui->comboBox->addItem(
-        QString::fromLatin1(". (%1)").arg(QString::fromUtf8(sheet->Label.getValue())),
-        QByteArray(""));
+    ui->comboBox->addItem(QStringLiteral(". (%1)").arg(QString::fromUtf8(sheet->Label.getValue())),
+                          QByteArray(""));
 
     App::DocumentObject* target = bindingTarget.getDocumentObject();
     for (auto obj : sheet->getDocument()->getObjectsOfType<Sheet>()) {
@@ -110,9 +109,8 @@ DlgBindSheet::DlgBindSheet(Sheet* sheet, const std::vector<Range>& ranges, QWidg
         }
         QString label;
         if (obj->Label.getStrValue() != obj->getNameInDocument()) {
-            label =
-                QString::fromLatin1("%1 (%2)").arg(QString::fromLatin1(obj->getNameInDocument()),
-                                                   QString::fromUtf8(obj->Label.getValue()));
+            label = QStringLiteral("%1 (%2)").arg(QString::fromLatin1(obj->getNameInDocument()),
+                                                  QString::fromUtf8(obj->Label.getValue()));
         }
         else {
             label = QLatin1String(obj->getNameInDocument());
@@ -133,9 +131,8 @@ DlgBindSheet::DlgBindSheet(Sheet* sheet, const std::vector<Range>& ranges, QWidg
             std::string fullname = obj->getFullName();
             QString label;
             if (obj->Label.getStrValue() != obj->getNameInDocument()) {
-                label =
-                    QString::fromLatin1("%1 (%2)").arg(QString::fromLatin1(fullname.c_str()),
-                                                       QString::fromUtf8(obj->Label.getValue()));
+                label = QStringLiteral("%1 (%2)").arg(QString::fromLatin1(fullname.c_str()),
+                                                      QString::fromUtf8(obj->Label.getValue()));
             }
             else {
                 label = QLatin1String(fullname.c_str());
diff --git a/src/Mod/Spreadsheet/Gui/SheetModel.cpp b/src/Mod/Spreadsheet/Gui/SheetModel.cpp
index 9d5aab502e..b5c4c856ac 100644
--- a/src/Mod/Spreadsheet/Gui/SheetModel.cpp
+++ b/src/Mod/Spreadsheet/Gui/SheetModel.cpp
@@ -125,19 +125,19 @@ QVariant SheetModel::data(const QModelIndex& index, int role) const
         sheet->providesTo(CellAddress(row, col), provides);
 
         if (deps.size() > 0) {
-            v += QString::fromUtf8("Depends on:");
+            v += QStringLiteral("Depends on:");
             for (std::set<std::string>::const_iterator i = deps.begin(); i != deps.end(); ++i) {
-                v += QString::fromUtf8("\n\t") + Tools::fromStdString(*i);
+                v += QStringLiteral("\n\t") + Tools::fromStdString(*i);
             }
-            v += QString::fromUtf8("\n");
+            v += QStringLiteral("\n");
         }
         if (provides.size() > 0) {
-            v += QString::fromUtf8("Used by:");
+            v += QStringLiteral("Used by:");
             for (std::set<std::string>::const_iterator i = provides.begin(); i != provides.end();
                  ++i) {
-                v += QString::fromUtf8("\n\t") + Tools::fromStdString(*i);
+                v += QStringLiteral("\n\t") + Tools::fromStdString(*i);
             }
-            v += QString::fromUtf8("\n");
+            v += QStringLiteral("\n");
         }
         return QVariant(v);
     }
@@ -154,18 +154,18 @@ QVariant SheetModel::data(const QModelIndex& index, int role) const
         switch (role) {
             case Qt::ToolTipRole: {
                 QString txt(QString::fromStdString(cell->getException()).toHtmlEscaped());
-                return QVariant(QString::fromLatin1("<pre>%1</pre>").arg(txt));
+                return QVariant(QStringLiteral("<pre>%1</pre>").arg(txt));
             }
             case Qt::DisplayRole: {
 #ifdef DEBUG_DEPS
                 return QVariant::fromValue(
-                    QString::fromUtf8("#ERR: %1").arg(Tools::fromStdString(cell->getException())));
+                    QStringLiteral("#ERR: %1").arg(Tools::fromStdString(cell->getException())));
 #else
                 std::string str;
                 if (cell->getStringContent(str)) {
                     return QVariant::fromValue(QString::fromUtf8(str.c_str()));
                 }
-                return QVariant::fromValue(QString::fromUtf8("#ERR"));
+                return QVariant::fromValue(QStringLiteral("#ERR"));
 #endif
             }
             case Qt::ForegroundRole:
@@ -370,7 +370,7 @@ QVariant SheetModel::data(const QModelIndex& index, int role) const
                         v = number + QString::fromStdString(" " + displayUnit.stringRep);
                     }
                     else {
-                        v = QString::fromUtf8("#ERR: unit");
+                        v = QStringLiteral("#ERR: unit");
                     }
                 }
                 else {
@@ -523,7 +523,7 @@ QVariant SheetModel::headerData(int section, Qt::Orientation orientation, int ro
     }
     if (role == Qt::DisplayRole) {
         if (orientation == Qt::Horizontal) {
-            static QString labels = QString::fromUtf8("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+            static QString labels = QStringLiteral("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
             if (section < 26) {
                 return QVariant(labels[section]);
             }
diff --git a/src/Mod/Spreadsheet/Gui/SheetTableViewAccessibleInterface.cpp b/src/Mod/Spreadsheet/Gui/SheetTableViewAccessibleInterface.cpp
index cfb4320c24..8e9d1e6401 100644
--- a/src/Mod/Spreadsheet/Gui/SheetTableViewAccessibleInterface.cpp
+++ b/src/Mod/Spreadsheet/Gui/SheetTableViewAccessibleInterface.cpp
@@ -46,7 +46,7 @@ SheetTableViewAccessibleInterface::SheetTableViewAccessibleInterface(
 QString SheetTableViewAccessibleInterface::text(QAccessible::Text txt) const
 {
     if (txt == QAccessible::Help) {
-        return QString::fromLatin1("Implement me");
+        return QStringLiteral("Implement me");
     }
     return QAccessibleWidget::text(txt);
 }
@@ -81,7 +81,7 @@ QAccessibleInterface* SheetTableViewAccessibleInterface::child(int index) const
 
 QAccessibleInterface* SheetTableViewAccessibleInterface::ifactory(const QString& key, QObject* obj)
 {
-    if (key == QString::fromUtf8("SpreadsheetGui::SheetTableView")) {
+    if (key == QStringLiteral("SpreadsheetGui::SheetTableView")) {
         return new SheetTableViewAccessibleInterface(
             static_cast<SpreadsheetGui::SheetTableView*>(obj));
     }
diff --git a/src/Mod/Spreadsheet/Gui/SpreadsheetView.cpp b/src/Mod/Spreadsheet/Gui/SpreadsheetView.cpp
index 61be1aca8e..ff7005a79a 100644
--- a/src/Mod/Spreadsheet/Gui/SpreadsheetView.cpp
+++ b/src/Mod/Spreadsheet/Gui/SpreadsheetView.cpp
@@ -133,13 +133,13 @@ SheetView::SheetView(Gui::Document* pcDocument, App::DocumentObject* docObj, QWi
     ui->cells->setPalette(palette);
 
     QList<QtColorPicker*> bgList = Gui::getMainWindow()->findChildren<QtColorPicker*>(
-        QString::fromLatin1("Spreadsheet_BackgroundColor"));
+        QStringLiteral("Spreadsheet_BackgroundColor"));
     if (!bgList.empty()) {
         bgList[0]->setCurrentColor(palette.color(QPalette::Base));
     }
 
     QList<QtColorPicker*> fgList = Gui::getMainWindow()->findChildren<QtColorPicker*>(
-        QString::fromLatin1("Spreadsheet_ForegroundColor"));
+        QStringLiteral("Spreadsheet_ForegroundColor"));
     if (!fgList.empty()) {
         fgList[0]->setCurrentColor(palette.color(QPalette::Text));
     }
@@ -299,7 +299,7 @@ void SheetView::printPdf()
         FileDialog::getSaveFileName(this,
                                     tr("Export PDF"),
                                     QString(),
-                                    QString::fromLatin1("%1 (*.pdf)").arg(tr("PDF file")));
+                                    QStringLiteral("%1 (*.pdf)").arg(tr("PDF file")));
     if (!filename.isEmpty()) {
         QPrinter printer(QPrinter::ScreenResolution);
         // setPdfVersion sets the printied PDF Version to comply with PDF/A-1b, more details under:
diff --git a/src/Mod/Spreadsheet/Gui/ViewProviderSpreadsheet.cpp b/src/Mod/Spreadsheet/Gui/ViewProviderSpreadsheet.cpp
index 79f6b26842..6998e86773 100644
--- a/src/Mod/Spreadsheet/Gui/ViewProviderSpreadsheet.cpp
+++ b/src/Mod/Spreadsheet/Gui/ViewProviderSpreadsheet.cpp
@@ -167,8 +167,7 @@ SheetView* ViewProviderSheet::showSpreadsheetView()
         Gui::Document* doc = Gui::Application::Instance->getDocument(this->pcObject->getDocument());
         view = new SheetView(doc, this->pcObject, Gui::getMainWindow());
         view->setWindowIcon(Gui::BitmapFactory().pixmap(":icons/Spreadsheet.svg"));
-        view->setWindowTitle(QString::fromUtf8(pcObject->Label.getValue())
-                             + QString::fromLatin1("[*]"));
+        view->setWindowTitle(QString::fromUtf8(pcObject->Label.getValue()) + QStringLiteral("[*]"));
         Gui::getMainWindow()->addWindow(view);
         startEditing();
     }
diff --git a/src/Mod/Spreadsheet/Gui/Workbench.cpp b/src/Mod/Spreadsheet/Gui/Workbench.cpp
index bc5c5ce432..c76e17d451 100644
--- a/src/Mod/Spreadsheet/Gui/Workbench.cpp
+++ b/src/Mod/Spreadsheet/Gui/Workbench.cpp
@@ -68,7 +68,7 @@ void Workbench::activated()
 {
     if (!initialized) {
         QList<QToolBar*> bars =
-            Gui::getMainWindow()->findChildren<QToolBar*>(QString::fromLatin1("Spreadsheet"));
+            Gui::getMainWindow()->findChildren<QToolBar*>(QStringLiteral("Spreadsheet"));
 
         if (bars.size() == 1) {
             QToolBar* bar = bars[0];
@@ -77,13 +77,13 @@ void Workbench::activated()
             QPalette palette = Gui::getMainWindow()->palette();
 
             QList<QtColorPicker*> fgList = Gui::getMainWindow()->findChildren<QtColorPicker*>(
-                QString::fromLatin1("Spreadsheet_ForegroundColor"));
+                QStringLiteral("Spreadsheet_ForegroundColor"));
             if (!fgList.empty()) {
                 foregroundColor = fgList[0];
             }
             else {
                 foregroundColor = new QtColorPicker(bar);
-                foregroundColor->setObjectName(QString::fromLatin1("Spreadsheet_ForegroundColor"));
+                foregroundColor->setObjectName(QStringLiteral("Spreadsheet_ForegroundColor"));
                 foregroundColor->setStandardColors();
                 foregroundColor->setCurrentColor(palette.color(QPalette::WindowText));
                 QObject::connect(foregroundColor,
@@ -97,13 +97,13 @@ void Workbench::activated()
             bar->addWidget(foregroundColor);
 
             QList<QtColorPicker*> bgList = Gui::getMainWindow()->findChildren<QtColorPicker*>(
-                QString::fromLatin1("Spreadsheet_BackgroundColor"));
+                QStringLiteral("Spreadsheet_BackgroundColor"));
             if (!bgList.empty()) {
                 backgroundColor = bgList[0];
             }
             else {
                 backgroundColor = new QtColorPicker(bar);
-                backgroundColor->setObjectName(QString::fromLatin1("Spreadsheet_BackgroundColor"));
+                backgroundColor->setObjectName(QStringLiteral("Spreadsheet_BackgroundColor"));
                 backgroundColor->setStandardColors();
                 backgroundColor->setCurrentColor(palette.color(QPalette::Base));
                 QObject::connect(backgroundColor,