MP3 to FLAC
Convert MP3 files to FLAC in seconds, for free. Nothing to install.
Files are deleted from the server automatically after 1 h.
Why convert MP3 to FLAC?
- FLAC stores data without loss, so further edits will not degrade quality.
- FLAC keeps studio quality without compression artifacts — for editing and archiving.
You don't need to install any software to convert MP3 to FLAC. Upload your file, choose FLAC and download the result a few seconds later. The conversion runs on our servers and your file is deleted automatically after 1 h.
MP3 vs FLAC: comparison
| Feature | MP3MPEG-1 Audio Layer III | FLACFree Lossless Audio Codec |
|---|---|---|
| Developer | Fraunhofer IIS / MPEG | Xiph.Org |
| Released | 1993 | 2001 |
| Type | audio | audio |
| Compression | lossy | lossless |
| Opens with | VLC, Windows Media Player, iTunes / Apple Music | VLC, foobar2000, Windows Media Player |
Tip: choose the bitrate. 128 kbps is enough for speech; 320 kbps is the best quality for music.
How it works
- Choose or drop your MP3 file.
- Pick FLAC as the output format.
- Click “Convert” and download your file.
MP3 to FLAC: questions and answers
Will quality be lost when converting MP3 to FLAC?
No. FLAC stores data without loss, so the result matches the original.
How long does MP3 to FLAC conversion take?
It depends on the length: a short file takes a few seconds, a long video can take a few minutes. Progress is shown as a percentage.
What is the maximum MP3 file size?
Up to 200 MB per file and up to 20 files at once — for free.
Can I convert MP3 to FLAC on my phone?
Yes. TezConvert works in any browser on Android and iPhone — no app needed.
How do I open a FLAC file?
FLAC files open in: VLC, foobar2000, Windows Media Player.
Are my files safe?
Files are used only for the conversion, never shown to anyone, and deleted automatically after 1 h. The original is deleted right after conversion.
⇄ Need the opposite? Convert FLAC to MP3 →