diff --git a/src/core/libraries/np_trophy/np_trophy.cpp b/src/core/libraries/np_trophy/np_trophy.cpp
index c28e49dac..91fdeb991 100644
--- a/src/core/libraries/np_trophy/np_trophy.cpp
+++ b/src/core/libraries/np_trophy/np_trophy.cpp
@@ -557,10 +557,10 @@ s32 PS4_SYSV_ABI sceNpTrophyGetTrophyUnlockState(OrbisNpTrophyContext context,
 
     const auto trophyDir =
         Common::FS::GetUserPath(Common::FS::PathType::MetaDataDir) / game_serial / "TrophyFiles";
+    auto trophy_file = trophyDir / "trophy00" / "Xml" / "TROP.XML";
 
     pugi::xml_document doc;
-    pugi::xml_parse_result result =
-        doc.load_file((trophyDir.string() + "/trophy00/Xml/TROP.XML").c_str());
+    pugi::xml_parse_result result = doc.load_file(trophy_file.native().c_str());
 
     int numTrophies = 0;
 
diff --git a/src/core/libraries/save_data/save_backup.cpp b/src/core/libraries/save_data/save_backup.cpp
index d8281fab9..1d935aee1 100644
--- a/src/core/libraries/save_data/save_backup.cpp
+++ b/src/core/libraries/save_data/save_backup.cpp
@@ -107,14 +107,16 @@ static void BackupThreadBody() {
         }
         g_backup_status = WorkerStatus::Running;
 
-        LOG_INFO(Lib_SaveData, "Backing up the following directory: {}", req.save_path.string());
+        LOG_INFO(Lib_SaveData, "Backing up the following directory: {}",
+                 fmt::UTF(req.save_path.u8string()));
         try {
             backup(req.save_path);
         } catch (const std::filesystem::filesystem_error& err) {
-            LOG_ERROR(Lib_SaveData, "Failed to backup {}: {}", req.save_path.string(), err.what());
+            LOG_ERROR(Lib_SaveData, "Failed to backup {}: {}", fmt::UTF(req.save_path.u8string()),
+                      err.what());
         }
         LOG_DEBUG(Lib_SaveData, "Backing up the following directory: {} finished",
-                  req.save_path.string());
+                  fmt::UTF(req.save_path.u8string()));
         {
             std::scoped_lock lk{g_backup_queue_mutex};
             g_backup_queue.front().done = true;
@@ -160,7 +162,7 @@ bool NewRequest(OrbisUserServiceUserId user_id, std::string_view title_id,
 
     if (g_backup_status != WorkerStatus::Waiting && g_backup_status != WorkerStatus::Running) {
         LOG_ERROR(Lib_SaveData, "Called backup while status is {}. Backup request to {} ignored",
-                  magic_enum::enum_name(g_backup_status.load()), save_path.string());
+                  magic_enum::enum_name(g_backup_status.load()), fmt::UTF(save_path.u8string()));
         return false;
     }
     {
@@ -184,7 +186,7 @@ bool NewRequest(OrbisUserServiceUserId user_id, std::string_view title_id,
 }
 
 bool Restore(const std::filesystem::path& save_path) {
-    LOG_INFO(Lib_SaveData, "Restoring backup for {}", save_path.string());
+    LOG_INFO(Lib_SaveData, "Restoring backup for {}", fmt::UTF(save_path.u8string()));
     std::unique_lock lk{g_backup_running_mutex};
     if (!fs::exists(save_path) || !fs::exists(save_path / backup_dir)) {
         return false;
diff --git a/src/core/libraries/save_data/save_memory.cpp b/src/core/libraries/save_data/save_memory.cpp
index 44f5311e1..8f298356d 100644
--- a/src/core/libraries/save_data/save_memory.cpp
+++ b/src/core/libraries/save_data/save_memory.cpp
@@ -77,7 +77,7 @@ static void SaveFileSafe(void* buf, size_t count, const std::filesystem::path& p
         g_saving_memory = true;
         std::scoped_lock lk{g_saving_memory_mutex};
         try {
-            LOG_DEBUG(Lib_SaveData, "Saving save data memory {}", g_save_path.string());
+            LOG_DEBUG(Lib_SaveData, "Saving save data memory {}", fmt::UTF(g_save_path.u8string()));
 
             if (g_memory_dirty) {
                 g_memory_dirty = false;
@@ -163,7 +163,8 @@ size_t CreateSaveMemory(size_t memory_size) {
 
         bool ok = g_param_sfo.Open(g_param_sfo_path);
         if (!ok) {
-            LOG_ERROR(Lib_SaveData, "Failed to open SFO at {}", g_param_sfo_path.string());
+            LOG_ERROR(Lib_SaveData, "Failed to open SFO at {}",
+                      fmt::UTF(g_param_sfo_path.u8string()));
             throw std::filesystem::filesystem_error(
                 "failed to open SFO", g_param_sfo_path,
                 std::make_error_code(std::errc::illegal_byte_sequence));
diff --git a/src/core/libraries/save_data/savedata.cpp b/src/core/libraries/save_data/savedata.cpp
index 9599c1ffd..da885d977 100644
--- a/src/core/libraries/save_data/savedata.cpp
+++ b/src/core/libraries/save_data/savedata.cpp
@@ -607,7 +607,7 @@ Error PS4_SYSV_ABI sceSaveDataCheckBackupData(const OrbisSaveDataCheckBackupData
     if (check->param != nullptr) {
         PSF sfo;
         if (!sfo.Open(backup_path / "sce_sys" / "param.sfo")) {
-            LOG_ERROR(Lib_SaveData, "Failed to read SFO at {}", backup_path.string());
+            LOG_ERROR(Lib_SaveData, "Failed to read SFO at {}", fmt::UTF(backup_path.u8string()));
             return Error::INTERNAL;
         }
         check->param->FromSFO(sfo);
@@ -818,7 +818,7 @@ Error PS4_SYSV_ABI sceSaveDataDirNameSearch(const OrbisSaveDataDirNameSearchCond
         const auto sfo_path = SaveInstance::GetParamSFOPath(dir_path);
         PSF sfo;
         if (!sfo.Open(sfo_path)) {
-            LOG_ERROR(Lib_SaveData, "Failed to read SFO: {}", sfo_path.string());
+            LOG_ERROR(Lib_SaveData, "Failed to read SFO: {}", fmt::UTF(sfo_path.u8string()));
             ASSERT_MSG(false, "Failed to read SFO");
         }
         map_dir_sfo.emplace(dir_name, std::move(sfo));
diff --git a/src/emulator.cpp b/src/emulator.cpp
index e68fb8f18..b27c73867 100644
--- a/src/emulator.cpp
+++ b/src/emulator.cpp
@@ -189,7 +189,7 @@ void Emulator::Run(const std::filesystem::path& file) {
     if (!std::filesystem::exists(mount_captures_dir)) {
         std::filesystem::create_directory(mount_captures_dir);
     }
-    VideoCore::SetOutputDir(mount_captures_dir.generic_string(), id);
+    VideoCore::SetOutputDir(mount_captures_dir, id);
 
     // Initialize kernel and library facilities.
     Libraries::Kernel::init_pthreads();
@@ -205,7 +205,7 @@ void Emulator::Run(const std::filesystem::path& file) {
     std::filesystem::path sce_module_folder = file.parent_path() / "sce_module";
     if (std::filesystem::is_directory(sce_module_folder)) {
         for (const auto& entry : std::filesystem::directory_iterator(sce_module_folder)) {
-            LOG_INFO(Loader, "Loading {}", entry.path().string().c_str());
+            LOG_INFO(Loader, "Loading {}", fmt::UTF(entry.path().u8string()));
             linker->LoadModule(entry.path());
         }
     }
diff --git a/src/qt_gui/game_info.cpp b/src/qt_gui/game_info.cpp
index 52aa64322..6e8d89713 100644
--- a/src/qt_gui/game_info.cpp
+++ b/src/qt_gui/game_info.cpp
@@ -21,7 +21,7 @@ void GameInfoClass::GetGameInfo(QWidget* parent) {
         }
     }
     m_games = QtConcurrent::mapped(filePaths, [&](const QString& path) {
-                  return readGameInfo(path.toStdString());
+                  return readGameInfo(Common::FS::PathFromQString(path));
               }).results();
 
     // Progress bar, please be patient :)
diff --git a/src/qt_gui/game_info.h b/src/qt_gui/game_info.h
index 7f60c37df..c7739f5f9 100644
--- a/src/qt_gui/game_info.h
+++ b/src/qt_gui/game_info.h
@@ -22,12 +22,12 @@ public:
         return a.name < b.name;
     }
 
-    static GameInfo readGameInfo(const std::string& filePath) {
+    static GameInfo readGameInfo(const std::filesystem::path& filePath) {
         GameInfo game;
         game.path = filePath;
 
         PSF psf;
-        if (psf.Open(std::filesystem::path(game.path) / "sce_sys" / "param.sfo")) {
+        if (psf.Open(game.path / "sce_sys" / "param.sfo")) {
             game.icon_path = game.path / "sce_sys" / "icon0.png";
             QString iconpath;
             Common::FS::PathToQString(iconpath, game.icon_path);
diff --git a/src/qt_gui/main_window.cpp b/src/qt_gui/main_window.cpp
index 808058b73..fa478878c 100644
--- a/src/qt_gui/main_window.cpp
+++ b/src/qt_gui/main_window.cpp
@@ -511,11 +511,12 @@ void MainWindow::StartGame() {
     if (gamePath != "") {
         AddRecentFiles(gamePath);
         Core::Emulator emulator;
-        if (!std::filesystem::exists(gamePath.toUtf8().constData())) {
+        const auto path = Common::FS::PathFromQString(gamePath);
+        if (!std::filesystem::exists(path)) {
             QMessageBox::critical(nullptr, tr("Run Game"), QString(tr("Eboot.bin file not found")));
             return;
         }
-        emulator.Run(gamePath.toUtf8().constData());
+        emulator.Run(path);
     }
 }
 
@@ -948,14 +949,14 @@ void MainWindow::CreateRecentGameActions() {
     }
 
     connect(m_recent_files_group, &QActionGroup::triggered, this, [this](QAction* action) {
-        QString gamePath = action->text();
-        AddRecentFiles(gamePath); // Update the list.
+        auto gamePath = Common::FS::PathFromQString(action->text());
+        AddRecentFiles(action->text()); // Update the list.
         Core::Emulator emulator;
-        if (!std::filesystem::exists(gamePath.toUtf8().constData())) {
+        if (!std::filesystem::exists(gamePath)) {
             QMessageBox::critical(nullptr, tr("Run Game"), QString(tr("Eboot.bin file not found")));
             return;
         }
-        emulator.Run(gamePath.toUtf8().constData());
+        emulator.Run(gamePath);
     });
 }
 
diff --git a/src/video_core/renderdoc.cpp b/src/video_core/renderdoc.cpp
index 7f88e1264..7e0994992 100644
--- a/src/video_core/renderdoc.cpp
+++ b/src/video_core/renderdoc.cpp
@@ -110,11 +110,11 @@ void TriggerCapture() {
     }
 }
 
-void SetOutputDir(const std::string& path, const std::string& prefix) {
+void SetOutputDir(const std::filesystem::path& path, const std::string& prefix) {
     if (!rdoc_api) {
         return;
     }
-    rdoc_api->SetCaptureFilePathTemplate((path + '\\' + prefix).c_str());
+    rdoc_api->SetCaptureFilePathTemplate(fmt::UTF((path / prefix).u8string()).data.data());
 }
 
 } // namespace VideoCore
diff --git a/src/video_core/renderdoc.h b/src/video_core/renderdoc.h
index febf6fbc1..91e242d04 100644
--- a/src/video_core/renderdoc.h
+++ b/src/video_core/renderdoc.h
@@ -20,6 +20,6 @@ void EndCapture();
 void TriggerCapture();
 
 /// Sets output directory for captures
-void SetOutputDir(const std::string& path, const std::string& prefix);
+void SetOutputDir(const std::filesystem::path& path, const std::string& prefix);
 
 } // namespace VideoCore