FastFlix

It presents a simple and friendly graphical user interface (GUI) for encoding videos. Its standout feature is its ability to preserve HDR10 metadata for x265, NVEncC HEVC, and VCEEncC HEVC, with plans to extend this functionality to AV1 libraries in the future. Powering this efficient tool is FFmpeg, requiring version 4.3 or higher to handle the heavy lifting, and it seamlessly cooperates with various encoders.