Convert MP3 to FLAC
Turn MPEG Audio Layer III files (.mp3) 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.
FLAC to MP3 insteadHow to convert MP3 to FLAC
- 1Drop your MP3 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
- FLAC is lossless, but converting from MP3 can't bring back what the original compression removed. It is useful when a program only accepts FLAC.
- 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 MP3 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 MP3 to FLAC?
No noticeable loss: the conversion keeps the content of your MP3 file intact.
Can I convert several files at once?
Yes. Drop as many MP3 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 MP3?
MP3 is the most compatible audio format, playable on practically every device.
What is FLAC?
FLAC compresses audio without any loss, so it is popular for music archives.