Convert MP4 to FLAC
Free, fast MP4-to-FLAC conversion.
Video and audio are processed with ffmpeg in your browser — large files are slow and use a lot of memory. Keep files under a few hundred MB for best results.
About the MP4 and FLAC formats
MP4. MP4 is the most widely-supported video container, ideal for sharing and streaming.
FLAC. FLAC is a lossless audio format that compresses without any quality loss.
Frequently asked questions
How do I convert MP4 to FLAC?
Drop your MP4 files into the box above and click Convert. The FLAC file is generated instantly and ready to download.
Will the quality stay the same?
FLAC keeps full quality, so your converted file looks identical to the original.
Is MP4 to FLAC conversion free?
Completely free, with no sign-up, watermarks or file-size paywalls.