MP3 to FLAC
Convert MP3 files to FLAC for players and apps that ask for it. Free, with no upload.
Drop files to convert
See their format, then choose an output.
MP3, M4A, WAV, FLAC, and other audio, or a video with sound. You can also drag in a whole folder.
How to convert MP3 to FLAC
Open an MP3, or many at once, and save each one as a FLAC file for a player, a DJ app, or a library that wants FLAC. The MP3 to FLAC converter runs in your browser, so your music stays on your device.
Step 1
Choose your MP3 filesPick one or many, or drop them into the converter above.Step 2
Keep FLACFLAC is selected; choose another audio format if you need one.Step 3
Download the FLACSave each file when it's converted.
What to expect
- Supported inputs
- MP3 files and any other audio or video file.
- What happens
- The MP3 is decoded and stored losslessly as FLAC. FLAC is selected first; you can choose another audio format.
- Limits
- The FLAC is several times bigger than the MP3. It keeps the MP3's sound exactly, but nothing more.
Private by design
Your video stays on your device
Mastershot processes your file locally in this browser. It does not need to be uploaded to a server, and you do not need an account to use the tool.
- No upload
- No signup
- No watermark
Questions
No. FLAC keeps exactly what the MP3 has, but the detail MP3 compression removed is already gone. It sounds the same as the MP3.
Some players, DJ software, and upload forms accept FLAC only. Otherwise, keep the MP3: it's smaller and sounds the same.