diff --git a/src/core/hle/service/fs/archive.cpp b/src/core/hle/service/fs/archive.cpp
index 4ae3fb7f0..cba8625f8 100644
--- a/src/core/hle/service/fs/archive.cpp
+++ b/src/core/hle/service/fs/archive.cpp
@@ -73,13 +73,12 @@ void File::Read(Kernel::HLERequestContext& ctx) {
     u64 offset = rp.Pop<u64>();
     u32 length = rp.Pop<u32>();
     auto& buffer = rp.PopMappedBuffer();
-    LOG_TRACE(Service_FS, "Read %s: offset=0x%" PRIx64 " length=0x%08X", GetName().c_str(), offset,
-              length);
+    NGLOG_TRACE(Service_FS, "Read {}: offset=0x{:x} length=0x{:08X}", GetName(), offset, length);
 
     const FileSessionSlot* file = GetSessionData(ctx.Session());
 
     if (file->subfile && length > file->size) {
-        LOG_WARNING(Service_FS, "Trying to read beyond the subfile size, truncating");
+        NGLOG_WARNING(Service_FS, "Trying to read beyond the subfile size, truncating");
         length = file->size;
     }
 
@@ -87,10 +86,9 @@ void File::Read(Kernel::HLERequestContext& ctx) {
     offset += file->offset;
 
     if (offset + length > backend->GetSize()) {
-        LOG_ERROR(Service_FS,
-                  "Reading from out of bounds offset=0x%" PRIx64
-                  " length=0x%08X file_size=0x%" PRIx64,
-                  offset, length, backend->GetSize());
+        NGLOG_ERROR(Service_FS,
+                    "Reading from out of bounds offset=0x{:x} length=0x{:08X} file_size=0x{:x}",
+                    offset, length, backend->GetSize());
     }
 
     IPC::RequestBuilder rb = rp.MakeBuilder(2, 2);
@@ -121,8 +119,8 @@ void File::Write(Kernel::HLERequestContext& ctx) {
     u32 length = rp.Pop<u32>();
     u32 flush = rp.Pop<u32>();
     auto& buffer = rp.PopMappedBuffer();
-    LOG_TRACE(Service_FS, "Write %s: offset=0x%" PRIx64 " length=%d, flush=0x%x", GetName().c_str(),
-              offset, length, flush);
+    NGLOG_TRACE(Service_FS, "Write {}: offset=0x{:x} length={}, flush=0x{:x}", GetName(), offset,
+                length, flush);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(2, 2);
 
@@ -183,8 +181,8 @@ void File::Close(Kernel::HLERequestContext& ctx) {
 
     // TODO(Subv): Only close the backend if this client is the only one left.
     if (connected_sessions.size() > 1)
-        LOG_WARNING(Service_FS, "Closing File backend but %zu clients still connected",
-                    connected_sessions.size());
+        NGLOG_WARNING(Service_FS, "Closing File backend but {} clients still connected",
+                      connected_sessions.size());
 
     backend->Close();
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
@@ -228,7 +226,7 @@ void File::GetPriority(Kernel::HLERequestContext& ctx) {
 }
 
 void File::OpenLinkFile(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_FS, "(STUBBED) File command OpenLinkFile %s", GetName().c_str());
+    NGLOG_WARNING(Service_FS, "(STUBBED) File command OpenLinkFile {}", GetName());
     using Kernel::ClientSession;
     using Kernel::ServerSession;
     using Kernel::SharedPtr;
@@ -329,7 +327,7 @@ void Directory::Read(Kernel::HLERequestContext& ctx) {
     u32 count = rp.Pop<u32>();
     auto& buffer = rp.PopMappedBuffer();
     std::vector<FileSys::Entry> entries(count);
-    LOG_TRACE(Service_FS, "Read %s: count=%u", GetName().c_str(), count);
+    NGLOG_TRACE(Service_FS, "Read {}: count={}", GetName(), count);
     // Number of entries actually read
     u32 read = backend->Read(static_cast<u32>(entries.size()), entries.data());
     buffer.Write(entries.data(), 0, read * sizeof(FileSys::Entry));
@@ -342,7 +340,7 @@ void Directory::Read(Kernel::HLERequestContext& ctx) {
 
 void Directory::Close(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx, 0x0802, 0, 0);
-    LOG_TRACE(Service_FS, "Close %s", GetName().c_str());
+    NGLOG_TRACE(Service_FS, "Close {}", GetName());
     backend->Close();
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
@@ -372,7 +370,7 @@ static ArchiveBackend* GetArchive(ArchiveHandle handle) {
 }
 
 ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code, FileSys::Path& archive_path) {
-    LOG_TRACE(Service_FS, "Opening archive with id code 0x%08X", id_code);
+    NGLOG_TRACE(Service_FS, "Opening archive with id code 0x{:08X}", id_code);
 
     auto itr = id_code_map.find(id_code);
     if (itr == id_code_map.end()) {
@@ -406,8 +404,8 @@ ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factor
     ASSERT_MSG(inserted, "Tried to register more than one archive with same id code");
 
     auto& archive = result.first->second;
-    LOG_DEBUG(Service_FS, "Registered archive %s with id code 0x%08X", archive->GetName().c_str(),
-              static_cast<u32>(id_code));
+    NGLOG_DEBUG(Service_FS, "Registered archive {} with id code 0x{:08X}", archive->GetName(),
+                static_cast<u32>(id_code));
     return RESULT_SUCCESS;
 }
 
@@ -578,7 +576,7 @@ ResultCode DeleteExtSaveData(MediaType media_type, u32 high, u32 low) {
     } else if (media_type == MediaType::SDMC) {
         media_type_directory = FileUtil::GetUserPath(D_SDMC_IDX);
     } else {
-        LOG_ERROR(Service_FS, "Unsupported media type %u", static_cast<u32>(media_type));
+        NGLOG_ERROR(Service_FS, "Unsupported media type {}", static_cast<u32>(media_type));
         return ResultCode(-1); // TODO(Subv): Find the right error code
     }
 
@@ -625,15 +623,14 @@ void RegisterArchiveTypes() {
     if (sdmc_factory->Initialize())
         RegisterArchiveType(std::move(sdmc_factory), ArchiveIdCode::SDMC);
     else
-        LOG_ERROR(Service_FS, "Can't instantiate SDMC archive with path %s",
-                  sdmc_directory.c_str());
+        NGLOG_ERROR(Service_FS, "Can't instantiate SDMC archive with path {}", sdmc_directory);
 
     auto sdmcwo_factory = std::make_unique<FileSys::ArchiveFactory_SDMCWriteOnly>(sdmc_directory);
     if (sdmcwo_factory->Initialize())
         RegisterArchiveType(std::move(sdmcwo_factory), ArchiveIdCode::SDMCWriteOnly);
     else
-        LOG_ERROR(Service_FS, "Can't instantiate SDMCWriteOnly archive with path %s",
-                  sdmc_directory.c_str());
+        NGLOG_ERROR(Service_FS, "Can't instantiate SDMCWriteOnly archive with path {}",
+                    sdmc_directory);
 
     // Create the SaveData archive
     auto sd_savedata_source = std::make_shared<FileSys::ArchiveSource_SDSaveData>(sdmc_directory);
@@ -653,16 +650,16 @@ void RegisterArchiveTypes() {
     if (extsavedata_factory->Initialize())
         RegisterArchiveType(std::move(extsavedata_factory), ArchiveIdCode::ExtSaveData);
     else
-        LOG_ERROR(Service_FS, "Can't instantiate ExtSaveData archive with path %s",
-                  extsavedata_factory->GetMountPoint().c_str());
+        NGLOG_ERROR(Service_FS, "Can't instantiate ExtSaveData archive with path {}",
+                    extsavedata_factory->GetMountPoint());
 
     auto sharedextsavedata_factory =
         std::make_unique<FileSys::ArchiveFactory_ExtSaveData>(nand_directory, true);
     if (sharedextsavedata_factory->Initialize())
         RegisterArchiveType(std::move(sharedextsavedata_factory), ArchiveIdCode::SharedExtSaveData);
     else
-        LOG_ERROR(Service_FS, "Can't instantiate SharedExtSaveData archive with path %s",
-                  sharedextsavedata_factory->GetMountPoint().c_str());
+        NGLOG_ERROR(Service_FS, "Can't instantiate SharedExtSaveData archive with path {}",
+                    sharedextsavedata_factory->GetMountPoint());
 
     // Create the NCCH archive, basically a small variation of the RomFS archive
     auto savedatacheck_factory = std::make_unique<FileSys::ArchiveFactory_NCCH>();
@@ -679,8 +676,9 @@ void RegisterArchiveTypes() {
 void RegisterSelfNCCH(Loader::AppLoader& app_loader) {
     auto itr = id_code_map.find(ArchiveIdCode::SelfNCCH);
     if (itr == id_code_map.end()) {
-        LOG_ERROR(Service_FS,
-                  "Could not register a new NCCH because the SelfNCCH archive hasn't been created");
+        NGLOG_ERROR(
+            Service_FS,
+            "Could not register a new NCCH because the SelfNCCH archive hasn't been created");
         return;
     }
 
diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index afcf6bd91..bc5fafc2e 100644
--- a/src/core/hle/service/fs/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -54,8 +54,8 @@ void FS_USER::OpenFile(Kernel::HLERequestContext& ctx) {
     ASSERT(filename.size() == filename_size);
     FileSys::Path file_path(filename_type, filename);
 
-    LOG_DEBUG(Service_FS, "path=%s, mode=%u attrs=%u", file_path.DebugStr().c_str(), mode.hex,
-              attributes);
+    NGLOG_DEBUG(Service_FS, "path={}, mode={} attrs={}", file_path.DebugStr(), mode.hex,
+                attributes);
 
     ResultVal<std::shared_ptr<File>> file_res =
         OpenFileFromArchive(archive_handle, file_path, mode);
@@ -66,7 +66,7 @@ void FS_USER::OpenFile(Kernel::HLERequestContext& ctx) {
         rb.PushMoveObjects(file->Connect());
     } else {
         rb.PushMoveObjects<Kernel::Object>(nullptr);
-        LOG_ERROR(Service_FS, "failed to get a handle for file %s", file_path.DebugStr().c_str());
+        NGLOG_ERROR(Service_FS, "failed to get a handle for file {}", file_path.DebugStr());
     }
 }
 
@@ -88,17 +88,18 @@ void FS_USER::OpenFileDirectly(Kernel::HLERequestContext& ctx) {
     FileSys::Path archive_path(archivename_type, archivename);
     FileSys::Path file_path(filename_type, filename);
 
-    LOG_DEBUG(Service_FS, "archive_id=0x%08X archive_path=%s file_path=%s, mode=%u attributes=%u",
-              static_cast<u32>(archive_id), archive_path.DebugStr().c_str(),
-              file_path.DebugStr().c_str(), mode.hex, attributes);
+    NGLOG_DEBUG(Service_FS,
+                "archive_id=0x{:08X} archive_path={} file_path={}, mode={} attributes={}",
+                static_cast<u32>(archive_id), archive_path.DebugStr(), file_path.DebugStr(),
+                mode.hex, attributes);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
 
     ResultVal<ArchiveHandle> archive_handle = Service::FS::OpenArchive(archive_id, archive_path);
     if (archive_handle.Failed()) {
-        LOG_ERROR(Service_FS,
-                  "Failed to get a handle for archive archive_id=0x%08X archive_path=%s",
-                  static_cast<u32>(archive_id), archive_path.DebugStr().c_str());
+        NGLOG_ERROR(Service_FS,
+                    "Failed to get a handle for archive archive_id=0x{:08X} archive_path={}",
+                    static_cast<u32>(archive_id), archive_path.DebugStr());
         rb.Push(archive_handle.Code());
         rb.PushMoveObjects<Kernel::Object>(nullptr);
         return;
@@ -113,8 +114,8 @@ void FS_USER::OpenFileDirectly(Kernel::HLERequestContext& ctx) {
         rb.PushMoveObjects(file->Connect());
     } else {
         rb.PushMoveObjects<Kernel::Object>(nullptr);
-        LOG_ERROR(Service_FS, "failed to get a handle for file %s mode=%u attributes=%u",
-                  file_path.DebugStr().c_str(), mode.hex, attributes);
+        NGLOG_ERROR(Service_FS, "failed to get a handle for file {} mode={} attributes={}",
+                    file_path.DebugStr(), mode.hex, attributes);
     }
 }
 
@@ -129,8 +130,8 @@ void FS_USER::DeleteFile(Kernel::HLERequestContext& ctx) {
 
     FileSys::Path file_path(filename_type, filename);
 
-    LOG_DEBUG(Service_FS, "type=%u size=%u data=%s", static_cast<u32>(filename_type), filename_size,
-              file_path.DebugStr().c_str());
+    NGLOG_DEBUG(Service_FS, "type={} size={} data={}", static_cast<u32>(filename_type),
+                filename_size, file_path.DebugStr());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(DeleteFileFromArchive(archive_handle, file_path));
@@ -154,11 +155,10 @@ void FS_USER::RenameFile(Kernel::HLERequestContext& ctx) {
     FileSys::Path src_file_path(src_filename_type, src_filename);
     FileSys::Path dest_file_path(dest_filename_type, dest_filename);
 
-    LOG_DEBUG(Service_FS,
-              "src_type=%u src_size=%u src_data=%s dest_type=%u dest_size=%u dest_data=%s",
-              static_cast<u32>(src_filename_type), src_filename_size,
-              src_file_path.DebugStr().c_str(), static_cast<u32>(dest_filename_type),
-              dest_filename_size, dest_file_path.DebugStr().c_str());
+    NGLOG_DEBUG(
+        Service_FS, "src_type={} src_size={} src_data={} dest_type={} dest_size={} dest_data={}",
+        static_cast<u32>(src_filename_type), src_filename_size, src_file_path.DebugStr(),
+        static_cast<u32>(dest_filename_type), dest_filename_size, dest_file_path.DebugStr());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(RenameFileBetweenArchives(src_archive_handle, src_file_path, dest_archive_handle,
@@ -177,8 +177,8 @@ void FS_USER::DeleteDirectory(Kernel::HLERequestContext& ctx) {
 
     FileSys::Path dir_path(dirname_type, dirname);
 
-    LOG_DEBUG(Service_FS, "type=%u size=%u data=%s", static_cast<u32>(dirname_type), dirname_size,
-              dir_path.DebugStr().c_str());
+    NGLOG_DEBUG(Service_FS, "type={} size={} data={}", static_cast<u32>(dirname_type), dirname_size,
+                dir_path.DebugStr());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(DeleteDirectoryFromArchive(archive_handle, dir_path));
@@ -196,8 +196,8 @@ void FS_USER::DeleteDirectoryRecursively(Kernel::HLERequestContext& ctx) {
 
     FileSys::Path dir_path(dirname_type, dirname);
 
-    LOG_DEBUG(Service_FS, "type=%u size=%u data=%s", static_cast<u32>(dirname_type), dirname_size,
-              dir_path.DebugStr().c_str());
+    NGLOG_DEBUG(Service_FS, "type={} size={} data={}", static_cast<u32>(dirname_type), dirname_size,
+                dir_path.DebugStr());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(DeleteDirectoryRecursivelyFromArchive(archive_handle, dir_path));
@@ -217,8 +217,8 @@ void FS_USER::CreateFile(Kernel::HLERequestContext& ctx) {
 
     FileSys::Path file_path(filename_type, filename);
 
-    LOG_DEBUG(Service_FS, "type=%u attributes=%u size=%" PRIx64 " data=%s",
-              static_cast<u32>(filename_type), attributes, file_size, file_path.DebugStr().c_str());
+    NGLOG_DEBUG(Service_FS, "type={} attributes={} size={:x} data={}",
+                static_cast<u32>(filename_type), attributes, file_size, file_path.DebugStr());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(CreateFileInArchive(archive_handle, file_path, file_size));
@@ -235,8 +235,8 @@ void FS_USER::CreateDirectory(Kernel::HLERequestContext& ctx) {
     ASSERT(dirname.size() == dirname_size);
     FileSys::Path dir_path(dirname_type, dirname);
 
-    LOG_DEBUG(Service_FS, "type=%u size=%u data=%s", static_cast<u32>(dirname_type), dirname_size,
-              dir_path.DebugStr().c_str());
+    NGLOG_DEBUG(Service_FS, "type={} size={} data={}", static_cast<u32>(dirname_type), dirname_size,
+                dir_path.DebugStr());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(CreateDirectoryFromArchive(archive_handle, dir_path));
@@ -259,10 +259,10 @@ void FS_USER::RenameDirectory(Kernel::HLERequestContext& ctx) {
     FileSys::Path src_dir_path(src_dirname_type, src_dirname);
     FileSys::Path dest_dir_path(dest_dirname_type, dest_dirname);
 
-    LOG_DEBUG(
-        Service_FS, "src_type=%u src_size=%u src_data=%s dest_type=%u dest_size=%u dest_data=%s",
-        static_cast<u32>(src_dirname_type), src_dirname_size, src_dir_path.DebugStr().c_str(),
-        static_cast<u32>(dest_dirname_type), dest_dirname_size, dest_dir_path.DebugStr().c_str());
+    NGLOG_DEBUG(Service_FS,
+                "src_type={} src_size={} src_data={} dest_type={} dest_size={} dest_data={}",
+                static_cast<u32>(src_dirname_type), src_dirname_size, src_dir_path.DebugStr(),
+                static_cast<u32>(dest_dirname_type), dest_dirname_size, dest_dir_path.DebugStr());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(RenameDirectoryBetweenArchives(src_archive_handle, src_dir_path, dest_archive_handle,
@@ -279,8 +279,8 @@ void FS_USER::OpenDirectory(Kernel::HLERequestContext& ctx) {
 
     FileSys::Path dir_path(dirname_type, dirname);
 
-    LOG_DEBUG(Service_FS, "type=%u size=%u data=%s", static_cast<u32>(dirname_type), dirname_size,
-              dir_path.DebugStr().c_str());
+    NGLOG_DEBUG(Service_FS, "type={} size={} data={}", static_cast<u32>(dirname_type), dirname_size,
+                dir_path.DebugStr());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
     ResultVal<std::shared_ptr<Directory>> dir_res =
@@ -292,8 +292,8 @@ void FS_USER::OpenDirectory(Kernel::HLERequestContext& ctx) {
         directory->ClientConnected(std::get<SharedPtr<ServerSession>>(sessions));
         rb.PushMoveObjects(std::get<SharedPtr<ClientSession>>(sessions));
     } else {
-        LOG_ERROR(Service_FS, "failed to get a handle for directory type=%u size=%u data=%s",
-                  static_cast<u32>(dirname_type), dirname_size, dir_path.DebugStr().c_str());
+        NGLOG_ERROR(Service_FS, "failed to get a handle for directory type={} size={} data={}",
+                    static_cast<u32>(dirname_type), dirname_size, dir_path.DebugStr());
         rb.PushMoveObjects<Kernel::Object>(nullptr);
     }
 }
@@ -307,8 +307,8 @@ void FS_USER::OpenArchive(Kernel::HLERequestContext& ctx) {
     ASSERT(archivename.size() == archivename_size);
     FileSys::Path archive_path(archivename_type, archivename);
 
-    LOG_DEBUG(Service_FS, "archive_id=0x%08X archive_path=%s", static_cast<u32>(archive_id),
-              archive_path.DebugStr().c_str());
+    NGLOG_DEBUG(Service_FS, "archive_id=0x{:08X} archive_path={}", static_cast<u32>(archive_id),
+                archive_path.DebugStr());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(3, 0);
     ResultVal<ArchiveHandle> handle = Service::FS::OpenArchive(archive_id, archive_path);
@@ -317,9 +317,9 @@ void FS_USER::OpenArchive(Kernel::HLERequestContext& ctx) {
         rb.PushRaw(*handle);
     } else {
         rb.Push<u64>(0);
-        LOG_ERROR(Service_FS,
-                  "failed to get a handle for archive archive_id=0x%08X archive_path=%s",
-                  static_cast<u32>(archive_id), archive_path.DebugStr().c_str());
+        NGLOG_ERROR(Service_FS,
+                    "failed to get a handle for archive archive_id=0x{:08X} archive_path={}",
+                    static_cast<u32>(archive_id), archive_path.DebugStr());
     }
 }
 
@@ -344,11 +344,11 @@ void FS_USER::IsSdmcWriteable(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
     // If the SD isn't enabled, it can't be writeable...else, stubbed true
     rb.Push(Settings::values.use_virtual_sd);
-    LOG_DEBUG(Service_FS, " (STUBBED)");
+    NGLOG_DEBUG(Service_FS, " (STUBBED)");
 }
 
 void FS_USER::FormatSaveData(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_FS, "(STUBBED)");
+    NGLOG_WARNING(Service_FS, "(STUBBED)");
 
     IPC::RequestParser rp(ctx, 0x84C, 9, 2);
     auto archive_id = rp.PopEnum<FS::ArchiveIdCode>();
@@ -364,19 +364,19 @@ void FS_USER::FormatSaveData(Kernel::HLERequestContext& ctx) {
     ASSERT(archivename.size() == archivename_size);
     FileSys::Path archive_path(archivename_type, archivename);
 
-    LOG_DEBUG(Service_FS, "archive_path=%s", archive_path.DebugStr().c_str());
+    NGLOG_DEBUG(Service_FS, "archive_path={}", archive_path.DebugStr());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     if (archive_id != FS::ArchiveIdCode::SaveData) {
-        LOG_ERROR(Service_FS, "tried to format an archive different than SaveData, %u",
-                  static_cast<u32>(archive_id));
+        NGLOG_ERROR(Service_FS, "tried to format an archive different than SaveData, {}",
+                    static_cast<u32>(archive_id));
         rb.Push(FileSys::ERROR_INVALID_PATH);
         return;
     }
 
     if (archive_path.GetType() != FileSys::LowPathType::Empty) {
         // TODO(Subv): Implement formatting the SaveData of other games
-        LOG_ERROR(Service_FS, "archive LowPath type other than empty is currently unsupported");
+        NGLOG_ERROR(Service_FS, "archive LowPath type other than empty is currently unsupported");
         rb.Push(UnimplementedFunction(ErrorModule::FS));
         return;
     }
@@ -408,7 +408,7 @@ void FS_USER::FormatThisUserSaveData(Kernel::HLERequestContext& ctx) {
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(FormatArchive(ArchiveIdCode::SaveData, format_info));
 
-    LOG_TRACE(Service_FS, "called");
+    NGLOG_TRACE(Service_FS, "called");
 }
 
 void FS_USER::GetFreeBytes(Kernel::HLERequestContext& ctx) {
@@ -438,10 +438,10 @@ void FS_USER::CreateExtSaveData(Kernel::HLERequestContext& ctx) {
     u32 icon_size = rp.Pop<u32>();
     auto icon_buffer = rp.PopMappedBuffer();
 
-    LOG_WARNING(Service_FS,
-                "(STUBBED) savedata_high=%08X savedata_low=%08X unknown=%08X "
-                "files=%08X directories=%08X size_limit=%016" PRIx64 " icon_size=%08X",
-                save_high, save_low, unknown, directories, files, size_limit, icon_size);
+    NGLOG_WARNING(Service_FS,
+                  "(STUBBED) savedata_high={:08X} savedata_low={:08X} unknown={:08X} "
+                  "files={:08X} directories={:08X} size_limit={:016x} icon_size={:08X}",
+                  save_high, save_low, unknown, directories, files, size_limit, icon_size);
 
     std::vector<u8> icon(icon_size);
     icon_buffer.Read(icon.data(), 0, icon_size);
@@ -464,8 +464,9 @@ void FS_USER::DeleteExtSaveData(Kernel::HLERequestContext& ctx) {
     u32 save_high = rp.Pop<u32>();
     u32 unknown = rp.Pop<u32>(); // TODO(Subv): Figure out what this is
 
-    LOG_WARNING(Service_FS, "(STUBBED) save_low=%08X save_high=%08X media_type=%08X unknown=%08X",
-                save_low, save_high, static_cast<u32>(media_type), unknown);
+    NGLOG_WARNING(Service_FS,
+                  "(STUBBED) save_low={:08X} save_high={:08X} media_type={:08X} unknown={:08X}",
+                  save_low, save_high, static_cast<u32>(media_type), unknown);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(Service::FS::DeleteExtSaveData(media_type, save_high, save_low));
@@ -476,7 +477,7 @@ void FS_USER::CardSlotIsInserted(Kernel::HLERequestContext& ctx) {
     IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
     rb.Push(RESULT_SUCCESS);
     rb.Push(false);
-    LOG_WARNING(Service_FS, "(STUBBED) called");
+    NGLOG_WARNING(Service_FS, "(STUBBED) called");
 }
 
 void FS_USER::DeleteSystemSaveData(Kernel::HLERequestContext& ctx) {
@@ -500,11 +501,12 @@ void FS_USER::CreateSystemSaveData(Kernel::HLERequestContext& ctx) {
     u32 file_buckets = rp.Pop<u32>();
     bool duplicate = rp.Pop<bool>();
 
-    LOG_WARNING(Service_FS,
-                "(STUBBED) savedata_high=%08X savedata_low=%08X total_size=%08X  block_size=%08X "
-                "directories=%u files=%u directory_buckets=%u file_buckets=%u duplicate=%d",
-                savedata_high, savedata_low, total_size, block_size, directories, files,
-                directory_buckets, file_buckets, duplicate);
+    NGLOG_WARNING(
+        Service_FS,
+        "(STUBBED) savedata_high={:08X} savedata_low={:08X} total_size={:08X}  block_size={:08X} "
+        "directories={} files={} directory_buckets={} file_buckets={} duplicate={}",
+        savedata_high, savedata_low, total_size, block_size, directories, files, directory_buckets,
+        file_buckets, duplicate);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(Service::FS::CreateSystemSaveData(savedata_high, savedata_low));
@@ -521,11 +523,11 @@ void FS_USER::CreateLegacySystemSaveData(Kernel::HLERequestContext& ctx) {
     u32 file_buckets = rp.Pop<u32>();
     bool duplicate = rp.Pop<bool>();
 
-    LOG_WARNING(Service_FS,
-                "(STUBBED) savedata_id=%08X total_size=%08X block_size=%08X directories=%u "
-                "files=%u directory_buckets=%u file_buckets=%u duplicate=%d",
-                savedata_id, total_size, block_size, directories, files, directory_buckets,
-                file_buckets, duplicate);
+    NGLOG_WARNING(Service_FS,
+                  "(STUBBED) savedata_id={:08X} total_size={:08X} block_size={:08X} directories={} "
+                  "files={} directory_buckets={} file_buckets={} duplicate={}",
+                  savedata_id, total_size, block_size, directories, files, directory_buckets,
+                  file_buckets, duplicate);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     // With this command, the SystemSaveData always has save_high = 0 (Always created in the NAND)
@@ -537,7 +539,7 @@ void FS_USER::InitializeWithSdkVersion(Kernel::HLERequestContext& ctx) {
     const u32 version = rp.Pop<u32>();
     rp.PopPID();
 
-    LOG_WARNING(Service_FS, "(STUBBED) called, version: 0x%08X", version);
+    NGLOG_WARNING(Service_FS, "(STUBBED) called, version: 0x{:08X}", version);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(RESULT_SUCCESS);
@@ -551,28 +553,28 @@ void FS_USER::SetPriority(Kernel::HLERequestContext& ctx) {
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(RESULT_SUCCESS);
 
-    LOG_DEBUG(Service_FS, "called priority=0x%X", priority);
+    NGLOG_DEBUG(Service_FS, "called priority=0x{:X}", priority);
 }
 
 void FS_USER::GetPriority(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx, 0x863, 0, 0);
 
     if (priority == -1) {
-        LOG_INFO(Service_FS, "priority was not set, priority=0x%X", priority);
+        NGLOG_INFO(Service_FS, "priority was not set, priority=0x{:X}", priority);
     }
 
     IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
     rb.Push(RESULT_SUCCESS);
     rb.Push(priority);
 
-    LOG_DEBUG(Service_FS, "called priority=0x%X", priority);
+    NGLOG_DEBUG(Service_FS, "called priority=0x{:X}", priority);
 }
 
 void FS_USER::GetArchiveResource(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx, 0x849, 1, 0);
     u32 system_media_type = rp.Pop<u32>();
 
-    LOG_WARNING(Service_FS, "(STUBBED) called Media type=0x%08X", system_media_type);
+    NGLOG_WARNING(Service_FS, "(STUBBED) called Media type=0x{:08X}", system_media_type);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(5, 0);
     rb.Push(RESULT_SUCCESS);
@@ -592,14 +594,14 @@ void FS_USER::GetFormatInfo(Kernel::HLERequestContext& ctx) {
 
     FileSys::Path archive_path(archivename_type, archivename);
 
-    LOG_DEBUG(Service_FS, "archive_path=%s", archive_path.DebugStr().c_str());
+    NGLOG_DEBUG(Service_FS, "archive_path={}", archive_path.DebugStr());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(5, 0);
 
     auto format_info = GetArchiveFormatInfo(archive_id, archive_path);
     rb.Push(format_info.Code());
     if (format_info.Failed()) {
-        LOG_ERROR(Service_FS, "Failed to retrieve the format info");
+        NGLOG_ERROR(Service_FS, "Failed to retrieve the format info");
         rb.Skip(4, true);
         return;
     }
@@ -615,7 +617,7 @@ void FS_USER::GetProgramLaunchInfo(Kernel::HLERequestContext& ctx) {
 
     u32 process_id = rp.Pop<u32>();
 
-    LOG_DEBUG(Service_FS, "process_id=%u", process_id);
+    NGLOG_DEBUG(Service_FS, "process_id={}", process_id);
 
     // TODO(Subv): The real FS service manages its own process list and only checks the processes
     // that were registered with the 'fs:REG' service.
@@ -647,7 +649,7 @@ void FS_USER::GetProgramLaunchInfo(Kernel::HLERequestContext& ctx) {
 void FS_USER::GetNumSeeds(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx, 0x87D, 0, 0);
 
-    LOG_WARNING(Service_FS, "(STUBBED) called");
+    NGLOG_WARNING(Service_FS, "(STUBBED) called");
 
     IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
 
@@ -664,10 +666,10 @@ void FS_USER::SetSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
 
     // TODO: Generate and Save the Secure Value
 
-    LOG_WARNING(Service_FS,
-                "(STUBBED) called, value=0x%016" PRIx64 " secure_value_slot=0x%08X "
-                "unqiue_id=0x%08X title_variation=0x%02X",
-                value, secure_value_slot, unique_id, title_variation);
+    NGLOG_WARNING(Service_FS,
+                  "(STUBBED) called, value=0x{:016x} secure_value_slot=0x{:08X} "
+                  "unqiue_id=0x{:08X} title_variation=0x{:02X}",
+                  value, secure_value_slot, unique_id, title_variation);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
 
@@ -681,9 +683,10 @@ void FS_USER::GetSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
     u32 unique_id = rp.Pop<u32>();
     u8 title_variation = rp.Pop<u8>();
 
-    LOG_WARNING(Service_FS,
-                "(STUBBED) called secure_value_slot=0x%08X unqiue_id=0x%08X title_variation=0x%02X",
-                secure_value_slot, unique_id, title_variation);
+    NGLOG_WARNING(
+        Service_FS,
+        "(STUBBED) called secure_value_slot=0x{:08X} unqiue_id=0x{:08X} title_variation=0x{:02X}",
+        secure_value_slot, unique_id, title_variation);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(4, 0);