diff --git a/src/Mod/Mesh/Gui/Command.cpp b/src/Mod/Mesh/Gui/Command.cpp
index 595bc84f33..c81e1e5ead 100644
--- a/src/Mod/Mesh/Gui/Command.cpp
+++ b/src/Mod/Mesh/Gui/Command.cpp
@@ -332,17 +332,17 @@ void CmdMeshImport::activated(int)
 {
     // use current path as default
     QStringList filter;
-    filter << QString::fromLatin1("%1 (*.stl *.ast *.bms *.obj *.off *.iv *.ply *.nas *.bdf)")
+    filter << QStringLiteral("%1 (*.stl *.ast *.bms *.obj *.off *.iv *.ply *.nas *.bdf)")
                   .arg(QObject::tr("All Mesh Files"));
-    filter << QString::fromLatin1("%1 (*.stl)").arg(QObject::tr("Binary STL"));
-    filter << QString::fromLatin1("%1 (*.ast)").arg(QObject::tr("ASCII STL"));
-    filter << QString::fromLatin1("%1 (*.bms)").arg(QObject::tr("Binary Mesh"));
-    filter << QString::fromLatin1("%1 (*.obj)").arg(QObject::tr("Alias Mesh"));
-    filter << QString::fromLatin1("%1 (*.off)").arg(QObject::tr("Object File Format"));
-    filter << QString::fromLatin1("%1 (*.iv)").arg(QObject::tr("Inventor V2.1 ASCII"));
-    filter << QString::fromLatin1("%1 (*.ply)").arg(QObject::tr("Stanford Polygon"));
-    filter << QString::fromLatin1("%1 (*.nas *.bdf)").arg(QObject::tr("NASTRAN"));
-    filter << QString::fromLatin1("%1 (*.*)").arg(QObject::tr("All Files"));
+    filter << QStringLiteral("%1 (*.stl)").arg(QObject::tr("Binary STL"));
+    filter << QStringLiteral("%1 (*.ast)").arg(QObject::tr("ASCII STL"));
+    filter << QStringLiteral("%1 (*.bms)").arg(QObject::tr("Binary Mesh"));
+    filter << QStringLiteral("%1 (*.obj)").arg(QObject::tr("Alias Mesh"));
+    filter << QStringLiteral("%1 (*.off)").arg(QObject::tr("Object File Format"));
+    filter << QStringLiteral("%1 (*.iv)").arg(QObject::tr("Inventor V2.1 ASCII"));
+    filter << QStringLiteral("%1 (*.ply)").arg(QObject::tr("Stanford Polygon"));
+    filter << QStringLiteral("%1 (*.nas *.bdf)").arg(QObject::tr("NASTRAN"));
+    filter << QStringLiteral("%1 (*.*)").arg(QObject::tr("All Files"));
 
     // Allow multi selection
     QStringList fn = Gui::FileDialog::getOpenFileNames(Gui::getMainWindow(),
@@ -394,25 +394,25 @@ void CmdMeshExport::activated(int)
     // clang-format off
     QString dir = QString::fromUtf8(docObj->Label.getValue());
     QList<QPair<QString, QByteArray> > ext;
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.stl)").arg(QObject::tr("Binary STL")), "STL");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.stl)").arg(QObject::tr("ASCII STL")), "AST");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.ast)").arg(QObject::tr("ASCII STL")), "AST");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.bms)").arg(QObject::tr("Binary Mesh")), "BMS");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.obj)").arg(QObject::tr("Alias Mesh")), "OBJ");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.smf)").arg(QObject::tr("Simple Model Format")), "SMF");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.off)").arg(QObject::tr("Object File Format")), "OFF");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.iv)").arg(QObject::tr("Inventor V2.1 ascii")), "IV");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.x3d)").arg(QObject::tr("X3D Extensible 3D")), "X3D");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.x3dz)").arg(QObject::tr("Compressed X3D")), "X3DZ");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.xhtml)").arg(QObject::tr("WebGL/X3D")), "X3DOM");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.ply)").arg(QObject::tr("Stanford Polygon")), "PLY");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.wrl *.vrml)").arg(QObject::tr("VRML V2.0")), "VRML");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.wrz)").arg(QObject::tr("Compressed VRML 2.0")), "WRZ");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.nas *.bdf)").arg(QObject::tr("Nastran")), "NAS");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.py)").arg(QObject::tr("Python module def")), "PY");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.asy)").arg(QObject::tr("Asymptote Format")), "ASY");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.3mf)").arg(QObject::tr("3D Manufacturing Format")), "3MF");
-    ext << qMakePair<QString, QByteArray>(QString::fromLatin1("%1 (*.*)").arg(QObject::tr("All Files")), ""); // Undefined
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.stl)").arg(QObject::tr("Binary STL")), "STL");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.stl)").arg(QObject::tr("ASCII STL")), "AST");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.ast)").arg(QObject::tr("ASCII STL")), "AST");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.bms)").arg(QObject::tr("Binary Mesh")), "BMS");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.obj)").arg(QObject::tr("Alias Mesh")), "OBJ");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.smf)").arg(QObject::tr("Simple Model Format")), "SMF");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.off)").arg(QObject::tr("Object File Format")), "OFF");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.iv)").arg(QObject::tr("Inventor V2.1 ascii")), "IV");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.x3d)").arg(QObject::tr("X3D Extensible 3D")), "X3D");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.x3dz)").arg(QObject::tr("Compressed X3D")), "X3DZ");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.xhtml)").arg(QObject::tr("WebGL/X3D")), "X3DOM");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.ply)").arg(QObject::tr("Stanford Polygon")), "PLY");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.wrl *.vrml)").arg(QObject::tr("VRML V2.0")), "VRML");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.wrz)").arg(QObject::tr("Compressed VRML 2.0")), "WRZ");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.nas *.bdf)").arg(QObject::tr("Nastran")), "NAS");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.py)").arg(QObject::tr("Python module def")), "PY");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.asy)").arg(QObject::tr("Asymptote Format")), "ASY");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.3mf)").arg(QObject::tr("3D Manufacturing Format")), "3MF");
+    ext << qMakePair<QString, QByteArray>(QStringLiteral("%1 (*.*)").arg(QObject::tr("All Files")), ""); // Undefined
     // clang-format on
     QStringList filter;
     for (const auto& it : ext) {
@@ -1459,7 +1459,7 @@ void CmdMeshBoundingBox::activated(int)
 
         QString bound = qApp->translate("Mesh_BoundingBox", "Boundings of %1:")
                             .arg(QString::fromUtf8(it->Label.getValue()));
-        bound += QString::fromLatin1("\n\nMin=<%1,%2,%3>\n\nMax=<%4,%5,%6>")
+        bound += QStringLiteral("\n\nMin=<%1,%2,%3>\n\nMax=<%4,%5,%6>")
                      .arg(box.MinX)
                      .arg(box.MinY)
                      .arg(box.MinZ)
diff --git a/src/Mod/Mesh/Gui/DlgDecimating.cpp b/src/Mod/Mesh/Gui/DlgDecimating.cpp
index f4f49a9335..fd759bfc02 100644
--- a/src/Mod/Mesh/Gui/DlgDecimating.cpp
+++ b/src/Mod/Mesh/Gui/DlgDecimating.cpp
@@ -97,7 +97,7 @@ void DlgDecimating::onCheckAbsoluteNumberToggled(bool on)
     else {
         ui->spinBoxReduction->setRange(0, 100);
         ui->spinBoxReduction->setValue(ui->sliderReduction->value());
-        ui->spinBoxReduction->setSuffix(QString::fromLatin1("%"));
+        ui->spinBoxReduction->setSuffix(QStringLiteral("%"));
         ui->checkAbsoluteNumber->setText(tr("Absolute number"));
         connect(ui->sliderReduction,
                 qOverload<int>(&QSlider::valueChanged),
diff --git a/src/Mod/Mesh/Gui/DlgEvaluateMeshImp.cpp b/src/Mod/Mesh/Gui/DlgEvaluateMeshImp.cpp
index 0448d68461..c26f66c7cd 100644
--- a/src/Mod/Mesh/Gui/DlgEvaluateMeshImp.cpp
+++ b/src/Mod/Mesh/Gui/DlgEvaluateMeshImp.cpp
@@ -439,9 +439,9 @@ void DlgEvaluateMeshImp::showInformation()
 
     if (d->meshFeature) {
         const MeshKernel& rMesh = d->meshFeature->Mesh.getValue().getKernel();
-        d->ui.textLabel4->setText(QString::fromLatin1("%1").arg(rMesh.CountFacets()));
-        d->ui.textLabel5->setText(QString::fromLatin1("%1").arg(rMesh.CountEdges()));
-        d->ui.textLabel6->setText(QString::fromLatin1("%1").arg(rMesh.CountPoints()));
+        d->ui.textLabel4->setText(QStringLiteral("%1").arg(rMesh.CountFacets()));
+        d->ui.textLabel5->setText(QStringLiteral("%1").arg(rMesh.CountEdges()));
+        d->ui.textLabel6->setText(QStringLiteral("%1").arg(rMesh.CountPoints()));
     }
 }
 
@@ -1278,7 +1278,7 @@ void DlgEvaluateMeshImp::onRepairAllTogetherClicked()
             QMessageBox::warning(this, tr("Mesh repair"), QString::fromLatin1(e.what()));
         }
         catch (...) {
-            QMessageBox::warning(this, tr("Mesh repair"), QString::fromLatin1("Unknown error occurred."));
+            QMessageBox::warning(this, tr("Mesh repair"), QStringLiteral("Unknown error occurred."));
         }
 
         doc->commitCommand();
diff --git a/src/Mod/Mesh/Gui/RemeshGmsh.cpp b/src/Mod/Mesh/Gui/RemeshGmsh.cpp
index 35b6362ef5..f6aa7f480b 100644
--- a/src/Mod/Mesh/Gui/RemeshGmsh.cpp
+++ b/src/Mod/Mesh/Gui/RemeshGmsh.cpp
@@ -98,9 +98,9 @@ GmshWidget::GmshWidget(QWidget* parent, Qt::WindowFlags fl)
 
     d->ui.method->addItem(tr("Automatic"), static_cast<int>(Automatic));
     d->ui.method->addItem(tr("Adaptive"), static_cast<int>(MeshAdapt));
-    d->ui.method->addItem(QString::fromLatin1("Delaunay"), static_cast<int>(Delaunay));
+    d->ui.method->addItem(QStringLiteral("Delaunay"), static_cast<int>(Delaunay));
     d->ui.method->addItem(tr("Frontal"), static_cast<int>(FrontalDelaunay));
-    d->ui.method->addItem(QString::fromLatin1("BAMG"), static_cast<int>(BAMG));
+    d->ui.method->addItem(QStringLiteral("BAMG"), static_cast<int>(BAMG));
     d->ui.method->addItem(tr("Frontal Quad"), static_cast<int>(FrontalDelaunayForQuads));
     d->ui.method->addItem(tr("Parallelograms"), static_cast<int>(PackingOfParallelograms));
     d->ui.method->addItem(tr("Quasi-structured Quad"), static_cast<int>(QuasiStructuredQuad));
@@ -252,8 +252,7 @@ void GmshWidget::finished(int /*exitCode*/, QProcess::ExitStatus exitStatus)
         d->label->close();
     }
 
-    d->ui.labelTime->setText(
-        QString::fromLatin1("%1 %2 ms").arg(tr("Time:")).arg(d->time.elapsed()));
+    d->ui.labelTime->setText(QStringLiteral("%1 %2 ms").arg(tr("Time:")).arg(d->time.elapsed()));
     if (exitStatus == QProcess::NormalExit) {
         loadOutput();
     }
diff --git a/src/Mod/Mesh/Gui/SegmentationBestFit.cpp b/src/Mod/Mesh/Gui/SegmentationBestFit.cpp
index c3a020238a..f0e67d81b0 100644
--- a/src/Mod/Mesh/Gui/SegmentationBestFit.cpp
+++ b/src/Mod/Mesh/Gui/SegmentationBestFit.cpp
@@ -190,25 +190,25 @@ ParametersDialog::ParametersDialog(std::vector<float>& val,
     QPushButton* regionButton {};
     regionButton = new QPushButton(this);
     regionButton->setText(tr("Region"));
-    regionButton->setObjectName(QString::fromLatin1("region"));
+    regionButton->setObjectName(QStringLiteral("region"));
     selectLayout->addWidget(regionButton);
 
     QPushButton* singleButton {};
     singleButton = new QPushButton(this);
     singleButton->setText(tr("Triangle"));
-    singleButton->setObjectName(QString::fromLatin1("single"));
+    singleButton->setObjectName(QStringLiteral("single"));
     selectLayout->addWidget(singleButton);
 
     QPushButton* clearButton {};
     clearButton = new QPushButton(this);
     clearButton->setText(tr("Clear"));
-    clearButton->setObjectName(QString::fromLatin1("clear"));
+    clearButton->setObjectName(QStringLiteral("clear"));
     selectLayout->addWidget(clearButton);
 
     QPushButton* computeButton {};
     computeButton = new QPushButton(this);
     computeButton->setText(tr("Compute"));
-    computeButton->setObjectName(QString::fromLatin1("compute"));
+    computeButton->setObjectName(QStringLiteral("compute"));
     gridLayout->addWidget(computeButton, 2, 0, 1, 1);
 
     QDialogButtonBox* buttonBox {};
@@ -373,9 +373,9 @@ void SegmentationBestFit::onPlaneParametersClicked()
     p.resize(6);
     QString base = tr("Base");
     QString axis = tr("Normal");
-    QString x = QString::fromLatin1(" x");
-    QString y = QString::fromLatin1(" y");
-    QString z = QString::fromLatin1(" z");
+    QString x = QStringLiteral(" x");
+    QString y = QStringLiteral(" y");
+    QString z = QStringLiteral(" z");
     list.push_back(std::make_pair(base + x, p[0]));
     list.push_back(std::make_pair(base + y, p[1]));
     list.push_back(std::make_pair(base + z, p[2]));
@@ -399,9 +399,9 @@ void SegmentationBestFit::onCylinderParametersClicked()
     QString base = tr("Base");
     QString axis = tr("Axis");
     QString radius = tr("Radius");
-    QString x = QString::fromLatin1(" x");
-    QString y = QString::fromLatin1(" y");
-    QString z = QString::fromLatin1(" z");
+    QString x = QStringLiteral(" x");
+    QString y = QStringLiteral(" y");
+    QString z = QStringLiteral(" z");
     list.push_back(std::make_pair(base + x, p[0]));
     list.push_back(std::make_pair(base + y, p[1]));
     list.push_back(std::make_pair(base + z, p[2]));
@@ -426,9 +426,9 @@ void SegmentationBestFit::onSphereParametersClicked()
     p.resize(4);
     QString base = tr("Center");
     QString radius = tr("Radius");
-    QString x = QString::fromLatin1(" x");
-    QString y = QString::fromLatin1(" y");
-    QString z = QString::fromLatin1(" z");
+    QString x = QStringLiteral(" x");
+    QString y = QStringLiteral(" y");
+    QString z = QStringLiteral(" z");
     list.push_back(std::make_pair(base + x, p[0]));
     list.push_back(std::make_pair(base + y, p[1]));
     list.push_back(std::make_pair(base + z, p[2]));
diff --git a/src/Mod/Mesh/Gui/ViewProvider.cpp b/src/Mod/Mesh/Gui/ViewProvider.cpp
index 620f82d049..ac7dc30651 100644
--- a/src/Mod/Mesh/Gui/ViewProvider.cpp
+++ b/src/Mod/Mesh/Gui/ViewProvider.cpp
@@ -1746,8 +1746,8 @@ void ViewProviderMesh::faceInfoCallback(void* ud, SoEventCallback* cb)
                 static_cast<const SoPointDetail*>(faceDetail->getPoint(2))->getCoordinateIndex();
             auto flag = new Gui::Flag;
             flag->setText(QObject::tr("Index: %1").arg(uFacet));
-            QString toolTip = QString::fromLatin1("Facet index: %1\n"
-                                                  "Points: <%2, %3, %4>")
+            QString toolTip = QStringLiteral("Facet index: %1\n"
+                                             "Points: <%2, %3, %4>")
                                   .arg(uFacet)
                                   .arg(point1)
                                   .arg(point2)
diff --git a/src/Mod/Mesh/Gui/Workbench.cpp b/src/Mod/Mesh/Gui/Workbench.cpp
index 92824d07ac..cab5a9c0c8 100644
--- a/src/Mod/Mesh/Gui/Workbench.cpp
+++ b/src/Mod/Mesh/Gui/Workbench.cpp
@@ -122,10 +122,10 @@ public:
             numMax->setText(tr("X: %1\tY: %2\tZ: %3").arg(bbox.MaxX).arg(bbox.MaxY).arg(bbox.MaxZ));
         }
         else {
-            numPoints->setText(QString::fromLatin1(""));
-            numFacets->setText(QString::fromLatin1(""));
-            numMin->setText(QString::fromLatin1(""));
-            numMax->setText(QString::fromLatin1(""));
+            numPoints->setText(QStringLiteral(""));
+            numFacets->setText(QStringLiteral(""));
+            numMin->setText(QStringLiteral(""));
+            numMax->setText(QStringLiteral(""));
         }
     }