diff --git a/src/Editor/CExportGameDialog.cpp b/src/Editor/CExportGameDialog.cpp
index f288ee8d..00d06b94 100644
--- a/src/Editor/CExportGameDialog.cpp
+++ b/src/Editor/CExportGameDialog.cpp
@@ -52,7 +52,7 @@ void CExportGameDialog::InitUI(QString ExportDir)
     CGameInfo GameInfo;
     GameInfo.LoadGameInfo(mGame);
 
-    ExportDir.replace('\\', '/');
+    ExportDir.replace(QLatin1Char{'\\'}, QLatin1Char{'/'});
 
     TString DefaultNameMapPath = CAssetNameMap::DefaultNameMapPath(mGame);
     if (!FileUtil::Exists(DefaultNameMapPath)) DefaultNameMapPath = "";
@@ -68,7 +68,7 @@ void CExportGameDialog::InitUI(QString ExportDir)
     mpUI->GameTitleLineEdit->setText( TO_QSTRING(mGameTitle) );
     mpUI->GameIdLineEdit->setText( TO_QSTRING(mGameID) );
     mpUI->BuildVersionLineEdit->setText(tr("%1 (%2)").arg(mBuildVer).arg(TO_QSTRING(GameInfo.GetBuildName(mBuildVer, mRegion))));
-    mpUI->RegionLineEdit->setText(TEnumReflection<ERegion>::ConvertValueToString(mRegion));
+    mpUI->RegionLineEdit->setText(QString::fromUtf8(TEnumReflection<ERegion>::ConvertValueToString(mRegion)));
 
     // Disc tree widget
     nod::IPartition *pPartition = mpDisc->getDataPartition();
diff --git a/src/Editor/CGeneratePropertyNamesDialog.cpp b/src/Editor/CGeneratePropertyNamesDialog.cpp
index 381cf8b3..2468a824 100644
--- a/src/Editor/CGeneratePropertyNamesDialog.cpp
+++ b/src/Editor/CGeneratePropertyNamesDialog.cpp
@@ -219,7 +219,7 @@ void CGeneratePropertyNamesDialog::OnTreeItemDoubleClicked(QTreeWidgetItem* pIte
 
     const QString Text = pItem->text(0);
 
-    if (!Text.endsWith(".xml"))
+    if (!Text.endsWith(QStringLiteral(".xml")))
         return;
 
     const TString TStrText = TO_TSTRING(Text);
diff --git a/src/Editor/CMakeLists.txt b/src/Editor/CMakeLists.txt
index 7e659376..714c8279 100644
--- a/src/Editor/CMakeLists.txt
+++ b/src/Editor/CMakeLists.txt
@@ -121,6 +121,14 @@ target_compile_definitions(
         "APP_VERSION=\"${PROJECT_VERSION}\""
         "APP_FULL_NAME=\"${PWE_APP_NAME} ${PWE_WC_DESCRIBE}\""
         UNICODE
+
+        # Ensures conversions to internal strings and Qt strings are explicit
+        QT_NO_CAST_FROM_ASCII
+        QT_NO_CAST_FROM_BYTEARRAY
+        QT_NO_CAST_TO_ASCII
+
+        # Disable deprecated Qt snprintf functions
+        QT_NO_QSNPRINTF
 )
 
 gather_include_directories(pwe_editor_include_directories pwe_editor)
diff --git a/src/Editor/CProjectSettingsDialog.cpp b/src/Editor/CProjectSettingsDialog.cpp
index aec7ed88..2ca9fcc3 100644
--- a/src/Editor/CProjectSettingsDialog.cpp
+++ b/src/Editor/CProjectSettingsDialog.cpp
@@ -105,7 +105,7 @@ void CProjectSettingsDialog::SetupPackagesList()
 
         QString PackageName = TO_QSTRING(pPackage->Name());
         if (pPackage->NeedsRecook())
-            PackageName += '*';
+            PackageName += QLatin1Char{'*'};
         mpUI->PackagesList->addItem(PackageName);
     }
 }
diff --git a/src/Editor/CTweakEditor.cpp b/src/Editor/CTweakEditor.cpp
index e67db4d8..081fc8c9 100644
--- a/src/Editor/CTweakEditor.cpp
+++ b/src/Editor/CTweakEditor.cpp
@@ -2,6 +2,8 @@
 #include "ui_CTweakEditor.h"
 #include "Editor/Undo/IUndoCommand.h"
 
+#include <QCoreApplication>
+
 /** Internal undo command for changing tabs */
 class CSetTweakIndexCommand : public IUndoCommand
 {
@@ -10,7 +12,7 @@ class CSetTweakIndexCommand : public IUndoCommand
 
 public:
     CSetTweakIndexCommand(CTweakEditor* pEditor, int OldIndex, int NewIndex)
-        : IUndoCommand("Change Tab")
+        : IUndoCommand(QCoreApplication::translate("CSetTweakIndexCommand", "Change Tab"))
         , mpEditor(pEditor)
         , mOldIndex(OldIndex)
         , mNewIndex(NewIndex)
diff --git a/src/Editor/MacOSExtras.mm b/src/Editor/MacOSExtras.mm
index 470eb890..d4a929ba 100644
--- a/src/Editor/MacOSExtras.mm
+++ b/src/Editor/MacOSExtras.mm
@@ -20,7 +20,7 @@ QString MacOSPathToDolphinBinary()
 /* Filter to accumulate relative coordinates of middle and right mouse drags for camera control. */
 bool MouseDragCocoaEventFilter::nativeEventFilter(const QByteArray& eventType, void* message, long*)
 {
-    if (eventType == "mac_generic_NSEvent")
+    if (eventType == QByteArrayLiteral("mac_generic_NSEvent"))
     {
         NSEvent* event = static_cast<NSEvent*>(message);
         NSEventType evType = event.type;
diff --git a/src/Editor/ModelEditor/CModelEditorWindow.cpp b/src/Editor/ModelEditor/CModelEditorWindow.cpp
index 3feb1b81..6484a44d 100644
--- a/src/Editor/ModelEditor/CModelEditorWindow.cpp
+++ b/src/Editor/ModelEditor/CModelEditorWindow.cpp
@@ -754,7 +754,7 @@ void CModelEditorWindow::Import()
 
     SetActiveModel(pModel);
     SET_WINDOWTITLE_APPVARS(tr("%APP_FULL_NAME% - Model Editor: Untitled"));
-    mOutputFilename = "";
+    mOutputFilename.clear();
     gpResourceStore->DestroyUnreferencedResources();
 }
 
@@ -785,7 +785,7 @@ void CModelEditorWindow::ConvertToDDS()
 
 void CModelEditorWindow::ConvertToTXTR()
 {
-    QString Input = QFileDialog::getOpenFileName(this, "DirectDraw Surface (*.dds)", "", "*.dds");
+    QString Input = QFileDialog::getOpenFileName(this, tr("DirectDraw Surface (*.dds)"), QString(), QStringLiteral("*.dds"));
     if (Input.isEmpty()) return;
 
     TString TexFilename = TO_TSTRING(Input);
diff --git a/src/Editor/NDolphinIntegration.cpp b/src/Editor/NDolphinIntegration.cpp
index dc14bd59..186a2126 100644
--- a/src/Editor/NDolphinIntegration.cpp
+++ b/src/Editor/NDolphinIntegration.cpp
@@ -3,6 +3,7 @@
 #include "Editor/UICommon.h"
 #include "Editor/SDolHeader.h"
 
+#include <QCoreApplication>
 #include <QFileInfo>
 #include <QObject>
 #include <QOverload>
@@ -109,8 +110,8 @@ EQuickplayLaunchResult LaunchQuickplay(QWidget* pParentWidget,
     // Check if quickplay is already running
     if (gpDolphinProcess && gpDolphinProcess->state() != QProcess::NotRunning)
     {
-        if (UICommon::YesNoQuestion(pParentWidget, "Quickplay",
-            "Quickplay is already running. Close the existing session and relaunch?"))
+        if (UICommon::YesNoQuestion(pParentWidget, QCoreApplication::translate("LaunchQuickplay", "Quickplay"),
+            QCoreApplication::translate("LaunchQuickplay", "Quickplay is already running. Close the existing session and relaunch?")))
         {
             KillQuickplay();
         }
@@ -146,8 +147,8 @@ EQuickplayLaunchResult LaunchQuickplay(QWidget* pParentWidget,
     // Check if the user has any dirty packages
     if (gpEdApp->HasAnyDirtyPackages())
     {
-        if (UICommon::YesNoQuestion(pParentWidget, "Uncooked Changes",
-            "You have uncooked changes. Cook before starting quickplay?"))
+        if (UICommon::YesNoQuestion(pParentWidget, QCoreApplication::translate("LaunchQuickplay", "Uncooked Changes"),
+            QCoreApplication::translate("LaunchQuickplay", "You have uncooked changes. Cook before starting quickplay?")))
         {
             gpEdApp->CookAllDirtyPackages();
         }
@@ -299,23 +300,23 @@ bool SetDolphinPath(QWidget* pParentWidget, const QString& kDolphinPath, bool bS
     {
         if (!bSilent)
         {
-            UICommon::ErrorMsg(pParentWidget, "The selected file is not a Dolphin executable!");
+            UICommon::ErrorMsg(pParentWidget, QCoreApplication::translate("SetDolphinPath", "The selected file is not a Dolphin executable!"));
         }
         return false;
     }
 
     // Try to obtain the version from Dolphin
     QProcess DolphinProcess;
-    DolphinProcess.start(kDolphinPath, QStringList() << "--version");
+    DolphinProcess.start(kDolphinPath, QStringList() << QStringLiteral("--version"));
     DolphinProcess.waitForFinished();
-    QString VersionString = DolphinProcess.readLine().trimmed();
+    QString VersionString = QString::fromUtf8(DolphinProcess.readLine().trimmed());
     
     // Make sure we have a valid string
     if (VersionString.isNull())
     {
         if (!bSilent)
         {
-            UICommon::ErrorMsg(pParentWidget, "Unable to validate version string, the selected file is likely not a Dolphin executable");
+            UICommon::ErrorMsg(pParentWidget, QCoreApplication::translate("SetDolphinPath", "Unable to validate version string, the selected file is likely not a Dolphin executable"));
         }
         return false;
     }
@@ -323,12 +324,12 @@ bool SetDolphinPath(QWidget* pParentWidget, const QString& kDolphinPath, bool bS
     // Dolphin's version string is broken into two parts, the first part is the name the second is the version
     // Dolphin unfortunately collide's with KDE Plasma's file manager which also happens to be named "Dolphin"
     // Fortunately the latter uses a lowercase name so we can differentiate.
-    QStringList VersionParts = VersionString.split(' ');
-    if (VersionParts.count() < 2 || (VersionParts[0] != "Dolphin" && VersionParts[0] != "PrimeHack"))
+    QStringList VersionParts = VersionString.split(QLatin1Char{' '});
+    if (VersionParts.count() < 2 || (VersionParts[0] != QStringLiteral("Dolphin") && VersionParts[0] != QStringLiteral("PrimeHack")))
     {
         if (!bSilent)
         {
-            UICommon::ErrorMsg(pParentWidget, "The selected file is not a Dolphin executable!");
+            UICommon::ErrorMsg(pParentWidget, QCoreApplication::translate("SetDolphinPath", "The selected file is not a Dolphin executable!"));
         }
         return false;
     }
@@ -374,13 +375,13 @@ QString GetDolphinPath()
 
 QString AskForDolphinPath(QWidget* pParentWidget) {
 #if defined(Q_OS_WIN)
-    QString Path = UICommon::OpenFileDialog(pParentWidget, "Open Dolphin", "*.exe");
+    QString Path = UICommon::OpenFileDialog(pParentWidget, QCoreApplication::translate("AskForDolphinPath", "Open Dolphin"), QStringLiteral("*.exe"));
 #elif defined(Q_OS_MACOS)
-    QString Path = UICommon::OpenFileDialog(pParentWidget, "Open Dolphin", "*.app");
-    if (Path.endsWith(".app"))
-        Path += "/Contents/MacOS/Dolphin";
+    QString Path = UICommon::OpenFileDialog(pParentWidget, QCoreApplication::translate("AskForDolphinPath", "Open Dolphin"), QStringLiteral("*.app"));
+    if (Path.endsWith(QStringLiteral(".app")))
+        Path += QStringLiteral("/Contents/MacOS/Dolphin");
 #else
-    QString Path = UICommon::OpenFileDialog(pParentWidget, "Open Dolphin", {});
+    QString Path = UICommon::OpenFileDialog(pParentWidget, QCoreApplication::translate("AskForDolphinPath", "Open Dolphin"), {});
 #endif
     return Path;
 }
diff --git a/src/Editor/PropertyEdit/CPropertyModel.cpp b/src/Editor/PropertyEdit/CPropertyModel.cpp
index 465ba107..fb17d9c8 100644
--- a/src/Editor/PropertyEdit/CPropertyModel.cpp
+++ b/src/Editor/PropertyEdit/CPropertyModel.cpp
@@ -407,7 +407,7 @@ QVariant CPropertyModel::data(const QModelIndex& rkIndex, int Role) const
             // Add name
             IProperty *pProp = PropertyForIndex(rkIndex, false);
             const QString DisplayText = data(rkIndex, Qt::DisplayRole).toString();
-            const QString TypeName = pProp->HashableTypeName();
+            const QString TypeName = QString::fromUtf8(pProp->HashableTypeName());
             QString Text = tr("<b>%1</b> <i>(%2)</i>").arg(DisplayText).arg(TypeName);
 
             // Add uncooked notification
diff --git a/src/Editor/ResourceBrowser/CResourceBrowser.cpp b/src/Editor/ResourceBrowser/CResourceBrowser.cpp
index 6190be21..6006b0c9 100644
--- a/src/Editor/ResourceBrowser/CResourceBrowser.cpp
+++ b/src/Editor/ResourceBrowser/CResourceBrowser.cpp
@@ -96,7 +96,7 @@ CResourceBrowser::CResourceBrowser(QWidget *pParent)
     mpFilterAllBox = new QCheckBox(this);
     mpFilterAllBox->setChecked(true);
     mpFilterAllBox->setFont(AllBoxFont);
-    mpFilterAllBox->setText("All");
+    mpFilterAllBox->setText(tr("All"));
     mpFilterBoxesLayout->addWidget(mpFilterAllBox);
 
     CreateFilterCheckboxes();
@@ -675,7 +675,7 @@ bool CResourceBrowser::Delete(QList<CResourceEntry*> Resources, QList<CVirtualDi
     {
         if (!Directories[DirIdx]->IsSafeToDelete())
         {
-            ErrorPaths += TO_QSTRING(Directories[DirIdx]->FullPath()) + '\n';
+            ErrorPaths += TO_QSTRING(Directories[DirIdx]->FullPath()) + QLatin1Char{'\n'};
             Directories.removeAt(DirIdx);
             DirIdx--;
         }
@@ -685,7 +685,7 @@ bool CResourceBrowser::Delete(QList<CResourceEntry*> Resources, QList<CVirtualDi
     {
         if (Resources[ResIdx]->IsLoaded() && Resources[ResIdx]->Resource()->IsReferenced())
         {
-            ErrorPaths += TO_QSTRING(Resources[ResIdx]->CookedAssetPath(true)) + '\n';
+            ErrorPaths += TO_QSTRING(Resources[ResIdx]->CookedAssetPath(true)) + QLatin1Char{'\n'};
             Resources.removeAt(ResIdx);
             ResIdx--;
         }
@@ -986,7 +986,7 @@ void CResourceBrowser::ImportAssetNameMap()
 void CResourceBrowser::ExportAssetNames()
 {
     const QString OutFile = UICommon::SaveFileDialog(this, tr("Export asset name map"), QStringLiteral("*.xml"),
-                                                     gResourcesWritable ? *(gDataDir + "resources/gameinfo/") : "");
+                                                     gResourcesWritable ? TO_QSTRING(gDataDir + "resources/gameinfo/") : QString());
     if (OutFile.isEmpty())
         return;
 
diff --git a/src/Editor/ResourceBrowser/CResourceDelegate.cpp b/src/Editor/ResourceBrowser/CResourceDelegate.cpp
index d11b5a05..96a27574 100644
--- a/src/Editor/ResourceBrowser/CResourceDelegate.cpp
+++ b/src/Editor/ResourceBrowser/CResourceDelegate.cpp
@@ -99,10 +99,10 @@ void CResourceBrowserDelegate::paint(QPainter *pPainter, const QStyleOptionViewI
     // Draw resource info string
     if (pEntry)
     {
-        QString ResInfo = TO_QSTRING( pEntry->TypeInfo()->TypeName() );
+        QString ResInfo = TO_QSTRING(pEntry->TypeInfo()->TypeName());
 
         if (mDisplayAssetIDs)
-            ResInfo.prepend( TO_QSTRING(pEntry->ID().ToString()) + " | " );
+            ResInfo.prepend(TO_QSTRING(pEntry->ID().ToString()) + QStringLiteral(" | "));
 
         QString ElidedResInfo = FontInfo.InfoFontMetrics.elidedText(ResInfo, Qt::ElideRight, GeomInfo.InfoStringRect.width());
 
diff --git a/src/Editor/StringEditor/CStringEditor.cpp b/src/Editor/StringEditor/CStringEditor.cpp
index 3ffb6412..539cd236 100644
--- a/src/Editor/StringEditor/CStringEditor.cpp
+++ b/src/Editor/StringEditor/CStringEditor.cpp
@@ -5,6 +5,7 @@
 #include "Editor/UICommon.h"
 #include "Editor/Undo/TSerializeUndoCommand.h"
 
+#include <QCoreApplication>
 #include <QSettings>
 #include <QShortcut>
 
@@ -18,7 +19,8 @@ class CSetStringIndexCommand : public IUndoCommand
     int mOldIndex, mNewIndex;
 public:
     CSetStringIndexCommand(CStringEditor* pEditor, int OldIndex, int NewIndex)
-        : IUndoCommand("Select String"), mpEditor(pEditor), mOldIndex(OldIndex), mNewIndex(NewIndex)
+        : IUndoCommand(QCoreApplication::translate("CSetStringIndexCommand", "Select String"))
+        , mpEditor(pEditor), mOldIndex(OldIndex), mNewIndex(NewIndex)
     {}
 
     void undo() override { mpEditor->SetActiveString(mOldIndex); }
@@ -32,7 +34,8 @@ class CSetLanguageCommand : public IUndoCommand
     ELanguage mOldLanguage, mNewLanguage;
 public:
     CSetLanguageCommand(CStringEditor* pEditor, ELanguage OldLanguage, ELanguage NewLanguage)
-        : IUndoCommand("Select Language"), mpEditor(pEditor), mOldLanguage(OldLanguage), mNewLanguage(NewLanguage)
+        : IUndoCommand(QCoreApplication::translate("CSetLanguageCommand", "Select Language"))
+        , mpEditor(pEditor), mOldLanguage(OldLanguage), mNewLanguage(NewLanguage)
     {}
 
     void undo() override { mpEditor->SetActiveLanguage(mOldLanguage); }
@@ -111,7 +114,7 @@ void CStringEditor::InitUI()
     {
         const ELanguage Language = mpStringTable->LanguageByIndex(LanguageIdx);
         const char* pkLanguageName = TEnumReflection<ELanguage>::ConvertValueToString(Language);
-        mpUI->EditLanguageTabBar->addTab(pkLanguageName);
+        mpUI->EditLanguageTabBar->addTab(QString::fromUtf8(pkLanguageName));
     }
 
     // Connect signals & slots
diff --git a/src/Editor/UICommon.cpp b/src/Editor/UICommon.cpp
index 5fb0abe6..03733ae4 100644
--- a/src/Editor/UICommon.cpp
+++ b/src/Editor/UICommon.cpp
@@ -1,4 +1,5 @@
 #include "UICommon.h"
+#include <QCoreApplication>
 #include <QDesktopServices>
 #include <QProcess>
 
@@ -31,8 +32,8 @@ void OpenContainingFolder(QWidget* parent, const QString& pathIn)
     }
     if (explorer.isEmpty())
     {
-        QMessageBox::warning(parent, "Launching Windows Explorer Failed",
-                             "Could not find explorer.exe in path to launch Windows Explorer.");
+        QMessageBox::warning(parent, QCoreApplication::translate("OpenContainingFoleder", "Launching Windows Explorer Failed"),
+                             QCoreApplication::translate("OpenContainingFolder", "Could not find explorer.exe in path to launch Windows Explorer."));
         return;
     }
     QStringList param;
@@ -60,7 +61,7 @@ void OpenContainingFolder(QWidget* parent, const QString& pathIn)
 
 bool OpenInExternalApplication(const QString& rkPath)
 {
-    return QDesktopServices::openUrl( QString("file:///") + QDir::toNativeSeparators(rkPath) );
+    return QDesktopServices::openUrl(QStringLiteral("file:///") + QDir::toNativeSeparators(rkPath));
 }
 
 }
diff --git a/src/Editor/UICommon.h b/src/Editor/UICommon.h
index 606e984d..e788ce88 100644
--- a/src/Editor/UICommon.h
+++ b/src/Editor/UICommon.h
@@ -3,6 +3,7 @@
 
 #include "CEditorApplication.h"
 #include <Common/TString.h>
+#include <QCoreApplication>
 #include <QDialogButtonBox>
 #include <QFileDialog>
 #include <QMap>
@@ -15,9 +16,9 @@
 #define UI_APPVAR_VERSION       "%APP_VERSION%"
 
 #define REPLACE_APPVARS(InQString) \
-    InQString.replace(UI_APPVAR_NAME, APP_NAME); \
-    InQString.replace(UI_APPVAR_FULLNAME, APP_FULL_NAME); \
-    InQString.replace(UI_APPVAR_VERSION, APP_VERSION);
+    InQString.replace(QStringLiteral(UI_APPVAR_NAME), QStringLiteral(APP_NAME)); \
+    InQString.replace(QStringLiteral(UI_APPVAR_FULLNAME), QStringLiteral(APP_FULL_NAME)); \
+    InQString.replace(QStringLiteral(UI_APPVAR_VERSION), QStringLiteral(APP_VERSION));
 
 #define SET_WINDOWTITLE_APPVARS(InString) \
     { \
@@ -100,7 +101,7 @@ inline T16String ToT16String(const QString& rkStr)
 #define POP_TICKS_ENABLED \
     gpEdApp->SetEditorTicksEnabled(TicksEnabled);
 
-inline QString OpenFileDialog(QWidget *pParent, const QString& rkCaption, const QString& rkFilter, const QString& rkStartingDir = "")
+inline QString OpenFileDialog(QWidget* pParent, const QString& rkCaption, const QString& rkFilter, const QString& rkStartingDir = {})
 {
     PUSH_TICKS_ENABLED;
     QString Result = QFileDialog::getOpenFileName(pParent, rkCaption, rkStartingDir, rkFilter);
@@ -108,7 +109,7 @@ inline QString OpenFileDialog(QWidget *pParent, const QString& rkCaption, const
     return Result;
 }
 
-inline QStringList OpenFilesDialog(QWidget *pParent, const QString& rkCaption, const QString& rkFilter, const QString& rkStartingDir = "")
+inline QStringList OpenFilesDialog(QWidget* pParent, const QString& rkCaption, const QString& rkFilter, const QString& rkStartingDir = {})
 {
     PUSH_TICKS_ENABLED;
     QStringList Result = QFileDialog::getOpenFileNames(pParent, rkCaption, rkStartingDir, rkFilter);
@@ -116,7 +117,7 @@ inline QStringList OpenFilesDialog(QWidget *pParent, const QString& rkCaption, c
     return Result;
 }
 
-inline QString SaveFileDialog(QWidget *pParent, const QString& rkCaption, const QString& rkFilter, const QString& rkStartingDir = "")
+inline QString SaveFileDialog(QWidget* pParent, const QString& rkCaption, const QString& rkFilter, const QString& rkStartingDir = {})
 {
     PUSH_TICKS_ENABLED;
     QString Result = QFileDialog::getSaveFileName(pParent, rkCaption, rkStartingDir, rkFilter);
@@ -124,7 +125,7 @@ inline QString SaveFileDialog(QWidget *pParent, const QString& rkCaption, const
     return Result;
 }
 
-inline QString OpenDirDialog(QWidget *pParent, const QString& rkCaption, const QString& rkStartingDir = "")
+inline QString OpenDirDialog(QWidget* pParent, const QString& rkCaption, const QString& rkStartingDir = {})
 {
     PUSH_TICKS_ENABLED;
     QString Result = QFileDialog::getExistingDirectory(pParent, rkCaption, rkStartingDir);
@@ -133,17 +134,17 @@ inline QString OpenDirDialog(QWidget *pParent, const QString& rkCaption, const Q
 }
 
 // QMessageBox wrappers
-inline void InfoMsg(QWidget *pParent, QString InfoBoxTitle, QString InfoText)
+inline void InfoMsg(QWidget *pParent, const QString& InfoBoxTitle, const QString& InfoText)
 {
     QMessageBox::information(pParent, InfoBoxTitle, InfoText);
 }
 
-inline void ErrorMsg(QWidget *pParent, QString ErrorText)
+inline void ErrorMsg(QWidget *pParent, const QString& ErrorText)
 {
-    QMessageBox::warning(pParent, "Error", ErrorText);
+    QMessageBox::warning(pParent, QCoreApplication::translate("ErrorMsg", "Error"), ErrorText);
 }
 
-inline bool YesNoQuestion(QWidget *pParent, QString InfoBoxTitle, QString Question)
+inline bool YesNoQuestion(QWidget *pParent, const QString& InfoBoxTitle, const QString& Question)
 {
     QMessageBox::StandardButton Button = QMessageBox::question(pParent, InfoBoxTitle, Question, QMessageBox::Yes | QMessageBox::No);
     return Button == QMessageBox::Yes;
@@ -152,7 +153,7 @@ inline bool YesNoQuestion(QWidget *pParent, QString InfoBoxTitle, QString Questi
 inline bool OpenProject()
 {
     QWidget* pMainWindow = (QWidget*) gpEdApp->WorldEditor();
-    QString ProjPath = UICommon::OpenFileDialog(pMainWindow, "Open Project", "Game Project (*.prj)");
+    QString ProjPath = UICommon::OpenFileDialog(pMainWindow, QCoreApplication::translate("OpenProject", "Open Project"), QStringLiteral("Game Project (*.prj)"));
     return ProjPath.isEmpty() ? false : gpEdApp->OpenProject(ProjPath);
 }
 
diff --git a/src/Editor/Widgets/CResourceSelector.cpp b/src/Editor/Widgets/CResourceSelector.cpp
index a3849f35..43dd1e7f 100644
--- a/src/Editor/Widgets/CResourceSelector.cpp
+++ b/src/Editor/Widgets/CResourceSelector.cpp
@@ -96,8 +96,8 @@ void CResourceSelector::UpdateUI()
     bool HasResource = mpResEntry != nullptr;
 
     // Update main UI
-    mpResNameButton->setText(HasResource ? TO_QSTRING(mpResEntry->Name()) + "." + TO_QSTRING(mpResEntry->CookedExtension().ToString()) : "");
-    mpResNameButton->setToolTip(HasResource ? TO_QSTRING(mpResEntry->CookedAssetPath(true)) : "");
+    mpResNameButton->setText(HasResource ? TO_QSTRING(mpResEntry->Name()) + QLatin1Char{'.'} + TO_QSTRING(mpResEntry->CookedExtension().ToString()) : QString());
+    mpResNameButton->setToolTip(HasResource ? TO_QSTRING(mpResEntry->CookedAssetPath(true)) : QString());
     mpClearButton->setEnabled(HasResource);
 
     // Update context menu
@@ -259,7 +259,7 @@ void CResourceSelector::CopyName()
 
 void CResourceSelector::CopyPath()
 {
-    QString Text = (mpResEntry ? TO_QSTRING(mpResEntry->CookedAssetPath(true)) : "");
+    QString Text = (mpResEntry ? TO_QSTRING(mpResEntry->CookedAssetPath(true)) : QString());
     gpEdApp->clipboard()->setText(Text);
 }
 
diff --git a/src/Editor/Widgets/CSoftValidatorLineEdit.h b/src/Editor/Widgets/CSoftValidatorLineEdit.h
index 7a7fd02a..c98440ab 100644
--- a/src/Editor/Widgets/CSoftValidatorLineEdit.h
+++ b/src/Editor/Widgets/CSoftValidatorLineEdit.h
@@ -40,18 +40,18 @@ protected slots:
             if ( mpSoftValidator->validate(Text, DummyPos) == QValidator::Acceptable )
             {
                 NewValidity = true;
-                setStyleSheet("border: 1px solid green");
+                setStyleSheet(QStringLiteral("border: 1px solid green"));
             }
             else
             {
                 NewValidity = false;
-                setStyleSheet("border: 1px solid red");
+                setStyleSheet(QStringLiteral("border: 1px solid red"));
             }
         }
         else
         {
             NewValidity = true;
-            setStyleSheet("");
+            setStyleSheet(QString());
         }
 
         if (NewValidity != mInputIsValid)
diff --git a/src/Editor/Widgets/TEnumComboBox.h b/src/Editor/Widgets/TEnumComboBox.h
index 0a112b9a..52792e8c 100644
--- a/src/Editor/Widgets/TEnumComboBox.h
+++ b/src/Editor/Widgets/TEnumComboBox.h
@@ -23,7 +23,7 @@ public:
         {
             if (It.Value() != TEnumReflection<EnumT>::ErrorValue())
             {
-                addItem(It.Name());
+                addItem(QString::fromUtf8(It.Name()));
                 mValueList.push_back(It.Value());
             }
         }
diff --git a/src/Editor/Widgets/WDraggableSpinBox.cpp b/src/Editor/Widgets/WDraggableSpinBox.cpp
index 210f1e6d..7473e4fd 100644
--- a/src/Editor/Widgets/WDraggableSpinBox.cpp
+++ b/src/Editor/Widgets/WDraggableSpinBox.cpp
@@ -98,7 +98,7 @@ bool WDraggableSpinBox::eventFilter(QObject *, QEvent *pEvent)
 QString WDraggableSpinBox::textFromValue(double Val) const
 {
     QString Str = QString::number(Val, 'f', decimals());
-    int DecIndex = Str.indexOf('.');
+    int DecIndex = Str.indexOf(QLatin1Char{'.'});
     int NumDecs;
 
     if (DecIndex == -1)
@@ -111,23 +111,23 @@ QString WDraggableSpinBox::textFromValue(double Val) const
         int Size = Str.size() + mMinDecimals + 1;
         Str.reserve(Size);
 
-        Str += '.';
+        Str += QLatin1Char{'.'};
 
         for (int iDec = 0; iDec < mMinDecimals; iDec++)
-            Str += '0';
+            Str += QLatin1Char{'0'};
     }
 
     else if ((NumDecs > mMinDecimals) && mTrimTrailingZeroes)
     {
         while (NumDecs > mMinDecimals)
         {
-            if (Str.endsWith('0'))
+            if (Str.endsWith(QLatin1Char{'0'}))
             {
                 Str.chop(1);
                 NumDecs--;
             }
 
-            else if (Str.endsWith('.'))
+            else if (Str.endsWith(QLatin1Char{'.'}))
             {
                 Str.chop(1);
                 break;
diff --git a/src/Editor/WorldEditor/CCollisionRenderSettingsDialog.cpp b/src/Editor/WorldEditor/CCollisionRenderSettingsDialog.cpp
index 8ef1b62a..5ce11133 100644
--- a/src/Editor/WorldEditor/CCollisionRenderSettingsDialog.cpp
+++ b/src/Editor/WorldEditor/CCollisionRenderSettingsDialog.cpp
@@ -35,8 +35,8 @@ void CCollisionRenderSettingsDialog::SetupWidgets()
     EGame Game = mpEditor->CurrentGame();
 
     // Set widgets to match current render setting values
-    mpUi->HideMaskLineEdit->setText( "0x" + QString::number(rSettings.HideMask, 16).toUpper() );
-    mpUi->HighlightMaskLineEdit->setText( "0x" + QString::number(rSettings.HighlightMask, 16).toUpper() );
+    mpUi->HideMaskLineEdit->setText(QStringLiteral("0x") + QString::number(rSettings.HideMask, 16).toUpper());
+    mpUi->HighlightMaskLineEdit->setText(QStringLiteral("0x") + QString::number(rSettings.HighlightMask, 16).toUpper());
     mpUi->WireframeCheckBox->setChecked(rSettings.DrawWireframe);
     mpUi->SurfaceTypeCheckBox->setChecked(rSettings.TintWithSurfaceColor);
     mpUi->StandableTrisCheckBox->setChecked(rSettings.TintUnwalkableTris);
diff --git a/src/Editor/WorldEditor/CTemplateEditDialog.cpp b/src/Editor/WorldEditor/CTemplateEditDialog.cpp
index f82d5aaa..60361fb6 100644
--- a/src/Editor/WorldEditor/CTemplateEditDialog.cpp
+++ b/src/Editor/WorldEditor/CTemplateEditDialog.cpp
@@ -174,7 +174,7 @@ void CTemplateEditDialog::RefreshTypeNameOverride()
     }
     else
     {
-        mpValidator->SetTypeNameOverride("");
+        mpValidator->SetTypeNameOverride(QString());
     }
 }
 
diff --git a/src/Editor/WorldEditor/CWorldEditor.cpp b/src/Editor/WorldEditor/CWorldEditor.cpp
index 169ff8d7..c8a4b129 100644
--- a/src/Editor/WorldEditor/CWorldEditor.cpp
+++ b/src/Editor/WorldEditor/CWorldEditor.cpp
@@ -741,7 +741,7 @@ void CWorldEditor::UpdateOpenRecentActions()
     // Remove projects that don't exist anymore
     for (const QString& rkProj : RecentProjectsList)
     {
-        if (!FileUtil::Exists( TO_TSTRING(rkProj) ) || rkProj.contains('\\') )
+        if (!FileUtil::Exists(TO_TSTRING(rkProj)) || rkProj.contains(QLatin1Char{'\\'}))
             RecentProjectsList.removeAll(rkProj);
     }
 
@@ -771,14 +771,14 @@ void CWorldEditor::UpdateWindowTitle()
 
     if (pProj)
     {
-        WindowTitle += " - " + TO_QSTRING( pProj->Name() );
+        WindowTitle += QStringLiteral(" - ") + TO_QSTRING(pProj->Name());
 
         if (mpWorld)
         {
-            WindowTitle += " - " + TO_QSTRING(mpWorld->InGameName());
+            WindowTitle += QStringLiteral(" - ") + TO_QSTRING(mpWorld->InGameName());
 
             if (mpArea && CurrentGame() < EGame::DKCReturns)
-                WindowTitle += " - " + TO_QSTRING( mpWorld->AreaInGameName(mpArea->WorldIndex()) );
+                WindowTitle += QStringLiteral(" - ") + TO_QSTRING(mpWorld->AreaInGameName(mpArea->WorldIndex()));
         }
     }
 
diff --git a/src/Editor/WorldEditor/CWorldTreeModel.cpp b/src/Editor/WorldEditor/CWorldTreeModel.cpp
index b77b98d6..73c2904e 100644
--- a/src/Editor/WorldEditor/CWorldTreeModel.cpp
+++ b/src/Editor/WorldEditor/CWorldTreeModel.cpp
@@ -316,7 +316,7 @@ void CWorldTreeModel::OnProjectChanged(CGameProject *pProj)
             // Add remaining worlds to FrontEnd world
             mWorldList.prepend(SWorldInfo());
             pInfo = &mWorldList.front();
-            pInfo->WorldName = "FrontEnd";
+            pInfo->WorldName = QStringLiteral("FrontEnd");
 
             for (TResourceIterator<EResourceType::World> It; It; ++It)
             {
diff --git a/src/Editor/WorldEditor/WEditorProperties.cpp b/src/Editor/WorldEditor/WEditorProperties.cpp
index a5e30f32..394e4c69 100644
--- a/src/Editor/WorldEditor/WEditorProperties.cpp
+++ b/src/Editor/WorldEditor/WEditorProperties.cpp
@@ -119,7 +119,7 @@ void WEditorProperties::OnSelectionModified()
         }
         else
         {
-            mpInstanceInfoLabel->setText(QString("<i>[%1 objects selected]</i>").arg(pSelection->Size()));
+            mpInstanceInfoLabel->setText(tr("<i>[%1 objects selected]</i>").arg(pSelection->Size()));
             mpInstanceNameLineEdit->clear();
         }
 
diff --git a/src/Editor/main.cpp b/src/Editor/main.cpp
index e3f91e73..b36de3a5 100644
--- a/src/Editor/main.cpp
+++ b/src/Editor/main.cpp
@@ -8,6 +8,7 @@
 #include <Core/Resource/Script/NGameList.h>
 
 #include <QApplication>
+#include <QCoreApplication>
 #include <QIcon>
 #include <QStyleFactory>
 #include <QtGlobal>
@@ -95,7 +96,7 @@ public:
         QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
         CEditorApplication App(argc, argv);
         App.setApplicationName(QStringLiteral("PrimeWorldEditor"));
-        App.setApplicationVersion( APP_VERSION );
+        App.setApplicationVersion(QStringLiteral(APP_VERSION));
         App.setOrganizationName(QStringLiteral("AxioDL"));
         App.setWindowIcon(QIcon(QStringLiteral(":/icons/win/AppIcon.ico")));
 
@@ -116,7 +117,7 @@ public:
         // Init log
         bool Initialized = NLog::InitLog(LocateLogPath());
         if (!Initialized)
-            UICommon::ErrorMsg(nullptr, "Couldn't open log file. Logging will not work for this session.");
+            UICommon::ErrorMsg(nullptr, QCoreApplication::translate("Main", "Couldn't open log file. Logging will not work for this session."));
         qInstallMessageHandler(QtLogRedirect);
 
         // Locate data directory and check write permissions
@@ -129,8 +130,8 @@ public:
 
         if (!gpEditorStore->DatabasePathExists())
         {
-            UICommon::ErrorMsg(nullptr, "Unable to locate PWE resources directory; "
-                                  "PWE's executable must remain as deployed.");
+            UICommon::ErrorMsg(nullptr, QCoreApplication::translate("Main", "Unable to locate PWE resources directory; "
+                                                                    "PWE's executable must remain as deployed."));
             return 1;
         }