Convert MP4 to FLAC
Turn MPEG-4 video files (.mp4) into Free Lossless Audio Codec (.flac) in seconds. Drop one file or a whole batch: the conversion happens right in your browser, with no sign-up, no watermark and no upload.
How to convert MP4 to FLAC
- 1Drop your MP4 files into the box above, or click to choose them.
- 2FLAC is already selected. Adjust the options if you like.
- 3Click Convert and download your FLAC files.
Good to know
- Only the sound is kept: the audio track is extracted and saved as FLAC, and the picture is discarded.
- Large videos are processed as a stream, so even long files work as long as your device has enough memory.
Frequently asked questions
Is converting MP4 to FLAC free?
Yes. There is no sign-up, no watermark and no limit on the number of files.
Are my files uploaded?
No. Everything runs in your browser, so your files are never uploaded to a server. That also makes it fast, because nothing has to travel over the network.
Will I lose quality converting MP4 to FLAC?
No noticeable loss: the conversion keeps the content of your MP4 file intact.
Can I convert several files at once?
Yes. Drop as many MP4 files as you like. They are converted one after another and you can download them individually or as a ZIP.
Is there a file size limit?
There is no fixed limit. Very large files depend on your device's memory, since the conversion runs locally.
What is MP4?
MP4 is the most widely supported video format, playable on phones, browsers and TVs.
What is FLAC?
FLAC compresses audio without any loss, so it is popular for music archives.