diff --git a/Source/Core/DolphinQt/CheatsManager.cpp b/Source/Core/DolphinQt/CheatsManager.cpp
index 1b626b968b..7c3e51a482 100644
--- a/Source/Core/DolphinQt/CheatsManager.cpp
+++ b/Source/Core/DolphinQt/CheatsManager.cpp
@@ -648,7 +648,7 @@ void CheatsManager::Update()
     return;
   }
 
-  m_result_label->setText(tr("%1 Match(es)").arg(m_results.size()));
+  m_result_label->setText(tr("%n Match(es)", "", static_cast<int>(m_results.size())));
   m_match_table->setRowCount(static_cast<int>(m_results.size()));
 
   if (m_results.empty())
diff --git a/Source/Core/DolphinQt/ConvertDialog.cpp b/Source/Core/DolphinQt/ConvertDialog.cpp
index 9be6d1bca1..b7bf614291 100644
--- a/Source/Core/DolphinQt/ConvertDialog.cpp
+++ b/Source/Core/DolphinQt/ConvertDialog.cpp
@@ -412,9 +412,9 @@ void ConvertDialog::Convert()
 
     if (m_files.size() > 1)
     {
+      // i18n: %1 is a filename.
       progress_dialog.GetRaw()->setLabelText(
-          tr("Converting...") + QLatin1Char{'\n'} +
-          QFileInfo(QString::fromStdString(original_path)).fileName());
+          tr("Converting...\n%1").arg(QFileInfo(QString::fromStdString(original_path)).fileName()));
     }
 
     std::unique_ptr<DiscIO::BlobReader> blob_reader;
diff --git a/Source/Core/DolphinQt/GBAWidget.cpp b/Source/Core/DolphinQt/GBAWidget.cpp
index 1fc16d091f..93a9eef17d 100644
--- a/Source/Core/DolphinQt/GBAWidget.cpp
+++ b/Source/Core/DolphinQt/GBAWidget.cpp
@@ -353,7 +353,7 @@ void GBAWidget::contextMenuEvent(QContextMenuEvent* event)
   disconnect_action->setChecked(!m_force_disconnect);
   connect(disconnect_action, &QAction::triggered, this, &GBAWidget::ToggleDisconnect);
 
-  auto* load_action = new QAction(tr("L&oad ROM"), menu);
+  auto* load_action = new QAction(tr("L&oad ROM..."), menu);
   load_action->setEnabled(CanControlCore());
   connect(load_action, &QAction::triggered, this, &GBAWidget::LoadROM);
 
@@ -361,7 +361,7 @@ void GBAWidget::contextMenuEvent(QContextMenuEvent* event)
   unload_action->setEnabled(CanControlCore() && m_core_info.has_rom);
   connect(unload_action, &QAction::triggered, this, &GBAWidget::UnloadROM);
 
-  auto* card_action = new QAction(tr("&Scan e-Reader Card(s)"), menu);
+  auto* card_action = new QAction(tr("&Scan e-Reader Card(s)..."), menu);
   card_action->setEnabled(CanControlCore() && m_core_info.has_ereader);
   connect(card_action, &QAction::triggered, this, &GBAWidget::PromptForEReaderCards);
 
@@ -370,10 +370,10 @@ void GBAWidget::contextMenuEvent(QContextMenuEvent* event)
   connect(reset_action, &QAction::triggered, this, &GBAWidget::ResetCore);
 
   auto* state_menu = new QMenu(tr("Save State"), menu);
-  auto* import_action = new QAction(tr("&Import State"), state_menu);
+  auto* import_action = new QAction(tr("&Import State..."), state_menu);
   import_action->setEnabled(CanControlCore());
   connect(import_action, &QAction::triggered, this, [this] { DoState(false); });
-  auto* export_state = new QAction(tr("&Export State"), state_menu);
+  auto* export_state = new QAction(tr("&Export State..."), state_menu);
   connect(export_state, &QAction::triggered, this, [this] { DoState(true); });
 
   auto* mute_action = new QAction(tr("&Mute"), menu);
diff --git a/Source/Core/DolphinQt/MainWindow.cpp b/Source/Core/DolphinQt/MainWindow.cpp
index cd566b7624..8a687cef47 100644
--- a/Source/Core/DolphinQt/MainWindow.cpp
+++ b/Source/Core/DolphinQt/MainWindow.cpp
@@ -255,8 +255,10 @@ MainWindow::MainWindow(std::unique_ptr<BootParameters> boot_parameters,
   Settings::Instance().RefreshWidgetVisibility();
 
   if (!ResourcePack::Init())
+  {
     ModalMessageBox::critical(this, tr("Error"),
-                              tr("Error occured while loading some texture packs"));
+                              tr("Error occurred while loading some texture packs"));
+  }
 
   for (auto& pack : ResourcePack::GetPacks())
   {
@@ -1377,16 +1379,15 @@ bool MainWindow::NetPlayJoin()
 {
   if (Core::IsRunning())
   {
-    ModalMessageBox::critical(
-        nullptr, QObject::tr("Error"),
-        QObject::tr("Can't start a NetPlay Session while a game is still running!"));
+    ModalMessageBox::critical(nullptr, tr("Error"),
+                              tr("Can't start a NetPlay Session while a game is still running!"));
     return false;
   }
 
   if (m_netplay_dialog->isVisible())
   {
-    ModalMessageBox::critical(nullptr, QObject::tr("Error"),
-                              QObject::tr("A NetPlay Session is already in progress!"));
+    ModalMessageBox::critical(nullptr, tr("Error"),
+                              tr("A NetPlay Session is already in progress!"));
     return false;
   }
 
@@ -1445,16 +1446,15 @@ bool MainWindow::NetPlayHost(const UICommon::GameFile& game)
 {
   if (Core::IsRunning())
   {
-    ModalMessageBox::critical(
-        nullptr, QObject::tr("Error"),
-        QObject::tr("Can't start a NetPlay Session while a game is still running!"));
+    ModalMessageBox::critical(nullptr, tr("Error"),
+                              tr("Can't start a NetPlay Session while a game is still running!"));
     return false;
   }
 
   if (m_netplay_dialog->isVisible())
   {
-    ModalMessageBox::critical(nullptr, QObject::tr("Error"),
-                              QObject::tr("A NetPlay Session is already in progress!"));
+    ModalMessageBox::critical(nullptr, tr("Error"),
+                              tr("A NetPlay Session is already in progress!"));
     return false;
   }
 
@@ -1478,9 +1478,8 @@ bool MainWindow::NetPlayHost(const UICommon::GameFile& game)
   if (!Settings::Instance().GetNetPlayServer()->is_connected)
   {
     ModalMessageBox::critical(
-        nullptr, QObject::tr("Failed to open server"),
-        QObject::tr(
-            "Failed to listen on port %1. Is another instance of the NetPlay server running?")
+        nullptr, tr("Failed to open server"),
+        tr("Failed to listen on port %1. Is another instance of the NetPlay server running?")
             .arg(host_port));
     NetPlayQuit();
     return false;
diff --git a/Source/Core/DolphinQt/ResourcePackManager.cpp b/Source/Core/DolphinQt/ResourcePackManager.cpp
index 8f7e0dd360..ed067ab5cd 100644
--- a/Source/Core/DolphinQt/ResourcePackManager.cpp
+++ b/Source/Core/DolphinQt/ResourcePackManager.cpp
@@ -108,13 +108,14 @@ void ResourcePackManager::RepopulateTable()
   for (int i = 0; i < size; i++)
   {
     const auto& pack = ResourcePack::GetPacks()[size - 1 - i];
-    auto* manifest = pack.GetManifest();
+    const auto* manifest = pack.GetManifest();
+    const auto& authors = manifest->GetAuthors();
 
     auto* logo_item = new QTableWidgetItem;
     auto* name_item = new QTableWidgetItem(QString::fromStdString(manifest->GetName()));
     auto* version_item = new QTableWidgetItem(QString::fromStdString(manifest->GetVersion()));
-    auto* author_item = new QTableWidgetItem(
-        QString::fromStdString(manifest->GetAuthors().value_or("Unknown author")));
+    auto* author_item =
+        new QTableWidgetItem(authors ? QString::fromStdString(*authors) : tr("Unknown author"));
     auto* description_item =
         new QTableWidgetItem(QString::fromStdString(manifest->GetDescription().value_or("")));
     auto* website_item =