FastFlix is a GUI for H.264, HEVC and AV1 hardware and software encoding.
It needs FFmpeg under the hood for the heavy lifting, and can work with a variety of encoders.
This is free and open source software.
Key Features
- Supports x265, x264, rav1e, AOM AV1, SVT AV1, VP9, and VVC.
- Easily extract / copy HDR10 data, which it can do with tx265, NVEncC, VCEEncC, QSVEncC.
- Supports using generated or extracted JSON HDR10+ Metadata with HEVC encodes via x265.
- On any 10-bit or higher video output, FastFlix will copy the input HDR colorspace.
- Passes through HLG color transfer information to everything except webp and GIF.
- Internationalization support.
- Cross-platform support – runs under Linux, macOS, and Windows.
Website: github.com/cdgriffith/FastFlix
Support:
Developer: Chris Griffith
License: MIT License

FastFlix is written in Python. Learn Python with our recommended free books and free tutorials.
Related Software
| Video Converters | |
|---|---|
| HandBrake | Multithreaded cross-platform media transcoding application |
| FFmpeg | Multimedia player, server and encoder |
| Shutter Encoder | Graphical frontend to FFmpeg with editing features |
| FastFlix | GUI for H.264, HEVC and AV1 hardware and software encoding |
| Videomass | Cross-platform GUI for FFmpeg and youtube-dl |
| avconv | Part of libav-tools; fork of FFmpeg |
| VLC | Vdeo player which also converts multimedia to different formats |
| mpv | Cross-platform media player with video encoding support |
| MEncoder | MEncoder is included in MPlayer |
| FFQueue | Graphical frontend to FFmpeg written in C++ |
| Edconv | User-friendly FFmpeg GUI |
| transcode | Utility to encode raw video/audio streams |
| OmniGet | Uses FFmpeg to perform the video conversion |
| MystiQ | GUI for FFmpeg, a powerful media converter |
| Frame | Desktop media conversion utility |
| ffdash | VP9 video encoder |
| Constrict | Compress videos to target sizes |
| Leonardo | Media conversion application |
| Ciano | Easy way to convert your multimedia files to the most popular formats |
| Recoder | GTK4 video transcoding application |
| VidCom | Simple utility for video archiving and compression |
Read our verdict in the software roundup.
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