Convert MP3 to FLAC

MP3 audio → FLAC audio: convert online for free. MP3 to FLAC conversion runs right in your browser — your files never leave your device.

Drop files here or choose them

You can also paste files with Ctrl+V

Files never leave your device

About the formats

MP3 audio
The most widespread lossy audio format. Plays on almost any device.
FLAC audio
Lossless compression: the same quality as WAV in roughly half the size.

How to convert MP3 to FLAC

  1. Choose a MP3 audio file or drag it onto the page.
  2. Check the settings and click Convert.
  3. Download the FLAC audio file when it is ready.

Frequently asked questions

Is converting MP3 to FLAC free?

Yes. Conversion is free, with no sign-up and no watermarks.

Are my MP3 files uploaded anywhere?

No. The conversion runs in your browser, so your files never leave your device.

Will the quality change when converting to FLAC?

Quality depends on the target format and the settings you choose; lossy formats let you adjust the quality level.