diff --git a/src/citra_qt/configuration/configure_audio.cpp b/src/citra_qt/configuration/configure_audio.cpp
index 1c17d531b..8b120761b 100644
--- a/src/citra_qt/configuration/configure_audio.cpp
+++ b/src/citra_qt/configuration/configure_audio.cpp
@@ -19,9 +19,9 @@ ConfigureAudio::ConfigureAudio(QWidget* parent)
     ui->setupUi(this);
 
     ui->output_sink_combo_box->clear();
-    ui->output_sink_combo_box->addItem("auto");
+    ui->output_sink_combo_box->addItem(QString::fromUtf8(AudioCore::auto_device_name));
     for (const char* id : AudioCore::GetSinkIDs()) {
-        ui->output_sink_combo_box->addItem(id);
+        ui->output_sink_combo_box->addItem(QString::fromUtf8(id));
     }
 
     ui->emulation_combo_box->addItem(tr("HLE (fast)"));
@@ -131,7 +131,7 @@ void ConfigureAudio::ApplyConfiguration() {
 
 void ConfigureAudio::UpdateAudioOutputDevices(int sink_index) {
     ui->audio_device_combo_box->clear();
-    ui->audio_device_combo_box->addItem(AudioCore::auto_device_name);
+    ui->audio_device_combo_box->addItem(QString::fromUtf8(AudioCore::auto_device_name));
 
     const std::string sink_id = ui->output_sink_combo_box->itemText(sink_index).toStdString();
     for (const auto& device : AudioCore::GetDeviceListForSink(sink_id)) {
diff --git a/src/citra_qt/configuration/configure_camera.cpp b/src/citra_qt/configuration/configure_camera.cpp
index 76fe904fa..aff71598d 100644
--- a/src/citra_qt/configuration/configure_camera.cpp
+++ b/src/citra_qt/configuration/configure_camera.cpp
@@ -84,7 +84,7 @@ void ConfigureCamera::ConnectEvents() {
         ui->camera_file->setDisabled(state == Qt::Checked);
         ui->toolButton->setDisabled(state == Qt::Checked);
         if (state == Qt::Checked) {
-            ui->camera_file->setText("");
+            ui->camera_file->setText(QString{});
         }
     });
     connect(ui->camera_file, &QLineEdit::textChanged, this, [=] { StopPreviewing(); });
@@ -120,7 +120,7 @@ void ConfigureCamera::UpdateImageSourceUI() {
         ui->prompt_before_load->setChecked(false);
         ui->camera_file_label->setHidden(true);
         ui->camera_file->setHidden(true);
-        ui->camera_file->setText("");
+        ui->camera_file->setText(QString{});
         ui->toolButton->setHidden(true);
         break;
     case 1: /* still image */
@@ -132,7 +132,7 @@ void ConfigureCamera::UpdateImageSourceUI() {
             ui->prompt_before_load->setChecked(true);
             ui->camera_file->setDisabled(true);
             ui->toolButton->setDisabled(true);
-            ui->camera_file->setText("");
+            ui->camera_file->setText(QString{});
         } else {
             ui->camera_file->setDisabled(false);
             ui->toolButton->setDisabled(false);
@@ -250,7 +250,7 @@ void ConfigureCamera::SetConfiguration() {
         ui->camera_file->setDisabled(camera_config[index].empty());
         ui->toolButton->setDisabled(camera_config[index].empty());
         if (camera_config[index].empty()) {
-            ui->camera_file->setText("");
+            ui->camera_file->setText(QString{});
         }
     }
     if (camera_name[index] == "qt") {
@@ -270,10 +270,10 @@ void ConfigureCamera::OnToolButtonClicked() {
     QList<QByteArray> types = QImageReader::supportedImageFormats();
     QList<QString> temp_filters;
     for (const QByteArray& type : types) {
-        temp_filters << QString("*." + QString(type));
+        temp_filters << QString("*." + QString::fromUtf8(type));
     }
-    QString filter = tr("Supported image files (%1)").arg(temp_filters.join(" "));
-    QString path = QFileDialog::getOpenFileName(this, tr("Open File"), ".", filter);
+    QString filter = tr("Supported image files (%1)").arg(temp_filters.join(QStringLiteral(" ")));
+    QString path = QFileDialog::getOpenFileName(this, tr("Open File"), QStringLiteral("."), filter);
     if (!path.isEmpty()) {
         ui->camera_file->setText(path);
     }
diff --git a/src/citra_qt/configuration/configure_dialog.cpp b/src/citra_qt/configuration/configure_dialog.cpp
index 450117041..94d6d2164 100644
--- a/src/citra_qt/configuration/configure_dialog.cpp
+++ b/src/citra_qt/configuration/configure_dialog.cpp
@@ -72,11 +72,10 @@ void ConfigureDialog::PopulateSelectionList() {
     ui->selectorList->clear();
 
     const std::array<std::pair<QString, QStringList>, 4> items{
-        {{tr("General"),
-          {QT_TR_NOOP("General"), QT_TR_NOOP("Web"), QT_TR_NOOP("Debug"), QT_TR_NOOP("UI")}},
-         {tr("System"), {QT_TR_NOOP("System"), QT_TR_NOOP("Audio"), QT_TR_NOOP("Camera")}},
-         {tr("Graphics"), {QT_TR_NOOP("Graphics")}},
-         {tr("Controls"), {QT_TR_NOOP("Input"), QT_TR_NOOP("Hotkeys")}}}};
+        {{tr("General"), {tr("General"), tr("Web"), tr("Debug"), tr("UI")}},
+         {tr("System"), {tr("System"), tr("Audio"), tr("Camera")}},
+         {tr("Graphics"), {tr("Graphics")}},
+         {tr("Controls"), {tr("Input"), tr("Hotkeys")}}}};
 
     for (const auto& entry : items) {
         auto* const item = new QListWidgetItem(entry.first);
@@ -121,11 +120,11 @@ void ConfigureDialog::UpdateVisibleTabs() {
         return;
 
     const std::map<QString, QWidget*> widgets = {
-        {"General", ui->generalTab},   {"System", ui->systemTab},
-        {"Input", ui->inputTab},       {"Hotkeys", ui->hotkeysTab},
-        {"Graphics", ui->graphicsTab}, {"Audio", ui->audioTab},
-        {"Camera", ui->cameraTab},     {"Debug", ui->debugTab},
-        {"Web", ui->webTab},           {"UI", ui->uiTab}};
+        {QStringLiteral("General"), ui->generalTab},   {QStringLiteral("System"), ui->systemTab},
+        {QStringLiteral("Input"), ui->inputTab},       {QStringLiteral("Hotkeys"), ui->hotkeysTab},
+        {QStringLiteral("Graphics"), ui->graphicsTab}, {QStringLiteral("Audio"), ui->audioTab},
+        {QStringLiteral("Camera"), ui->cameraTab},     {QStringLiteral("Debug"), ui->debugTab},
+        {QStringLiteral("Web"), ui->webTab},           {QStringLiteral("UI"), ui->uiTab}};
 
     ui->tabWidget->clear();
 
diff --git a/src/citra_qt/configuration/configure_input.cpp b/src/citra_qt/configuration/configure_input.cpp
index d53523a4e..de5250f2a 100644
--- a/src/citra_qt/configuration/configure_input.cpp
+++ b/src/citra_qt/configuration/configure_input.cpp
@@ -32,7 +32,7 @@ static QString GetKeyName(int key_code) {
     case Qt::Key_Alt:
         return QObject::tr("Alt");
     case Qt::Key_Meta:
-        return "";
+        return QString{};
     default:
         return QKeySequence(key_code).toString();
     }
@@ -52,46 +52,70 @@ static void SetAnalogButton(const Common::ParamPackage& input_param,
 static QString ButtonToText(const Common::ParamPackage& param) {
     if (!param.Has("engine")) {
         return QObject::tr("[not set]");
-    } else if (param.Get("engine", "") == "keyboard") {
-        return GetKeyName(param.Get("code", 0));
-    } else if (param.Get("engine", "") == "sdl") {
-        if (param.Has("hat")) {
-            return QString(QObject::tr("Hat %1 %2"))
-                .arg(param.Get("hat", "").c_str(), param.Get("direction", "").c_str());
-        }
-        if (param.Has("axis")) {
-            return QString(QObject::tr("Axis %1%2"))
-                .arg(param.Get("axis", "").c_str(), param.Get("direction", "").c_str());
-        }
-        if (param.Has("button")) {
-            return QString(QObject::tr("Button %1")).arg(param.Get("button", "").c_str());
-        }
-        return QString();
-    } else {
-        return QObject::tr("[unknown]");
     }
-};
+
+    if (param.Get("engine", "") == "keyboard") {
+        return GetKeyName(param.Get("code", 0));
+    }
+
+    if (param.Get("engine", "") == "sdl") {
+        if (param.Has("hat")) {
+            const QString hat_str = QString::fromStdString(param.Get("hat", ""));
+            const QString direction_str = QString::fromStdString(param.Get("direction", ""));
+
+            return QObject::tr("Hat %1 %2").arg(hat_str, direction_str);
+        }
+
+        if (param.Has("axis")) {
+            const QString axis_str = QString::fromStdString(param.Get("axis", ""));
+            const QString direction_str = QString::fromStdString(param.Get("direction", ""));
+
+            return QObject::tr("Axis %1%2").arg(axis_str, direction_str);
+        }
+
+        if (param.Has("button")) {
+            const QString button_str = QString::fromStdString(param.Get("button", ""));
+
+            return QObject::tr("Button %1").arg(button_str);
+        }
+
+        return {};
+    }
+
+    return QObject::tr("[unknown]");
+}
 
 static QString AnalogToText(const Common::ParamPackage& param, const std::string& dir) {
     if (!param.Has("engine")) {
         return QObject::tr("[not set]");
-    } else if (param.Get("engine", "") == "analog_from_button") {
+    }
+
+    if (param.Get("engine", "") == "analog_from_button") {
         return ButtonToText(Common::ParamPackage{param.Get(dir, "")});
-    } else if (param.Get("engine", "") == "sdl") {
+    }
+
+    if (param.Get("engine", "") == "sdl") {
         if (dir == "modifier") {
-            return QString(QObject::tr("[unused]"));
+            return QObject::tr("[unused]");
         }
 
         if (dir == "left" || dir == "right") {
-            return QString(QObject::tr("Axis %1")).arg(param.Get("axis_x", "").c_str());
-        } else if (dir == "up" || dir == "down") {
-            return QString(QObject::tr("Axis %1")).arg(param.Get("axis_y", "").c_str());
+            const QString axis_x_str = QString::fromStdString(param.Get("axis_x", ""));
+
+            return QObject::tr("Axis %1").arg(axis_x_str);
         }
-        return QString();
-    } else {
-        return QObject::tr("[unknown]");
+
+        if (dir == "up" || dir == "down") {
+            const QString axis_y_str = QString::fromStdString(param.Get("axis_y", ""));
+
+            return QObject::tr("Axis %1").arg(axis_y_str);
+        }
+
+        return {};
     }
-};
+
+    return QObject::tr("[unknown]");
+}
 
 ConfigureInput::ConfigureInput(QWidget* parent)
     : QWidget(parent), ui(std::make_unique<Ui::ConfigureInput>()),
diff --git a/src/citra_qt/configuration/configure_motion_touch.cpp b/src/citra_qt/configuration/configure_motion_touch.cpp
index f33655d6e..c1961d71e 100644
--- a/src/citra_qt/configuration/configure_motion_touch.cpp
+++ b/src/citra_qt/configuration/configure_motion_touch.cpp
@@ -81,10 +81,10 @@ ConfigureMotionTouch::ConfigureMotionTouch(QWidget* parent)
     : QDialog(parent), ui(std::make_unique<Ui::ConfigureMotionTouch>()) {
     ui->setupUi(this);
     for (auto [provider, name] : MotionProviders) {
-        ui->motion_provider->addItem(tr(name), provider);
+        ui->motion_provider->addItem(tr(name), QString::fromUtf8(provider));
     }
     for (auto [provider, name] : TouchProviders) {
-        ui->touch_provider->addItem(tr(name), provider);
+        ui->touch_provider->addItem(tr(name), QString::fromUtf8(provider));
     }
 
     ui->udp_learn_more->setOpenExternalLinks(true);
@@ -140,7 +140,7 @@ void ConfigureMotionTouch::UpdateUiDisplay() {
         ui->touch_calibration->setVisible(true);
         ui->touch_calibration_config->setVisible(true);
         ui->touch_calibration_label->setVisible(true);
-        ui->touch_calibration->setText(QString("(%1, %2) - (%3, %4)")
+        ui->touch_calibration->setText(QStringLiteral("(%1, %2) - (%3, %4)")
                                            .arg(QString::number(min_x), QString::number(min_y),
                                                 QString::number(max_x), QString::number(max_y)));
     } else {
diff --git a/src/citra_qt/configuration/configure_system.cpp b/src/citra_qt/configuration/configure_system.cpp
index 343799072..4a15d5c24 100644
--- a/src/citra_qt/configuration/configure_system.cpp
+++ b/src/citra_qt/configuration/configure_system.cpp
@@ -389,7 +389,7 @@ void ConfigureSystem::UpdateBirthdayComboBox(int birthmonth_index) {
 void ConfigureSystem::ConfigureTime() {
     ui->edit_init_time->setCalendarPopup(true);
     QDateTime dt;
-    dt.fromString("2000-01-01 00:00:01", "yyyy-MM-dd hh:mm:ss");
+    dt.fromString(QStringLiteral("2000-01-01 00:00:01"), QStringLiteral("yyyy-MM-dd hh:mm:ss"));
     ui->edit_init_time->setMinimumDateTime(dt);
 
     SetConfiguration();
diff --git a/src/citra_qt/configuration/configure_ui.cpp b/src/citra_qt/configuration/configure_ui.cpp
index ffaf243e1..10eaf3889 100644
--- a/src/citra_qt/configuration/configure_ui.cpp
+++ b/src/citra_qt/configuration/configure_ui.cpp
@@ -9,13 +9,13 @@
 
 ConfigureUi::ConfigureUi(QWidget* parent) : QWidget(parent), ui(new Ui::ConfigureUi) {
     ui->setupUi(this);
-    ui->language_combobox->addItem(tr("<System>"), QString(""));
-    ui->language_combobox->addItem(tr("English"), QString("en"));
-    QDirIterator it(":/languages", QDirIterator::NoIteratorFlags);
+    ui->language_combobox->addItem(tr("<System>"), QString{});
+    ui->language_combobox->addItem(tr("English"), QStringLiteral("en"));
+    QDirIterator it(QStringLiteral(":/languages"), QDirIterator::NoIteratorFlags);
     while (it.hasNext()) {
         QString locale = it.next();
-        locale.truncate(locale.lastIndexOf('.'));
-        locale.remove(0, locale.lastIndexOf('/') + 1);
+        locale.truncate(locale.lastIndexOf(QLatin1Char{'.'}));
+        locale.remove(0, locale.lastIndexOf(QLatin1Char{'/'}) + 1);
         QString lang = QLocale::languageToString(QLocale(locale).language());
         ui->language_combobox->addItem(lang, locale);
     }
@@ -28,7 +28,8 @@ ConfigureUi::ConfigureUi(QWidget* parent) : QWidget(parent), ui(new Ui::Configur
             &ConfigureUi::OnLanguageChanged);
 
     for (const auto& theme : UISettings::themes) {
-        ui->theme_combobox->addItem(theme.first, theme.second);
+        ui->theme_combobox->addItem(QString::fromUtf8(theme.first),
+                                    QString::fromUtf8(theme.second));
     }
 
     SetConfiguration();
diff --git a/src/citra_qt/configuration/configure_web.cpp b/src/citra_qt/configuration/configure_web.cpp
index a68b19722..5285edfc6 100644
--- a/src/citra_qt/configuration/configure_web.cpp
+++ b/src/citra_qt/configuration/configure_web.cpp
@@ -80,12 +80,16 @@ void ConfigureWeb::RefreshTelemetryID() {
 void ConfigureWeb::OnLoginChanged() {
     if (ui->edit_username->text().isEmpty() && ui->edit_token->text().isEmpty()) {
         user_verified = true;
-        ui->label_username_verified->setPixmap(QIcon::fromTheme("checked").pixmap(16));
-        ui->label_token_verified->setPixmap(QIcon::fromTheme("checked").pixmap(16));
+
+        const QPixmap pixmap = QIcon::fromTheme(QStringLiteral("checked")).pixmap(16);
+        ui->label_username_verified->setPixmap(pixmap);
+        ui->label_token_verified->setPixmap(pixmap);
     } else {
         user_verified = false;
-        ui->label_username_verified->setPixmap(QIcon::fromTheme("failed").pixmap(16));
-        ui->label_token_verified->setPixmap(QIcon::fromTheme("failed").pixmap(16));
+
+        const QPixmap pixmap = QIcon::fromTheme(QStringLiteral("failed")).pixmap(16);
+        ui->label_username_verified->setPixmap(pixmap);
+        ui->label_token_verified->setPixmap(pixmap);
     }
 }
 
@@ -103,11 +107,14 @@ void ConfigureWeb::OnLoginVerified() {
     ui->button_verify_login->setText(tr("Verify"));
     if (verify_watcher.result()) {
         user_verified = true;
-        ui->label_username_verified->setPixmap(QIcon::fromTheme("checked").pixmap(16));
-        ui->label_token_verified->setPixmap(QIcon::fromTheme("checked").pixmap(16));
+
+        const QPixmap pixmap = QIcon::fromTheme(QStringLiteral("checked")).pixmap(16);
+        ui->label_username_verified->setPixmap(pixmap);
+        ui->label_token_verified->setPixmap(pixmap);
     } else {
-        ui->label_username_verified->setPixmap(QIcon::fromTheme("failed").pixmap(16));
-        ui->label_token_verified->setPixmap(QIcon::fromTheme("failed").pixmap(16));
+        const QPixmap pixmap = QIcon::fromTheme(QStringLiteral("failed")).pixmap(16);
+        ui->label_username_verified->setPixmap(pixmap);
+        ui->label_token_verified->setPixmap(pixmap);
         QMessageBox::critical(
             this, tr("Verification failed"),
             tr("Verification failed. Check that you have entered your username and token "