Convert MP3 to FLAC
Convert your MP3 audio files to FLAC directly in your browser.
How to convert audio in 3 steps
Choose a MP3 audio file.
Select the quality.
Click convert and download your FLAC audio.
Frequently Asked Questions
What is audio conversion?
Audio conversion changes an audio file from one format to another, for example from MP3 to FLAC, while keeping the audio content.
Are my audio files uploaded?
No. This tool processes audio files directly in your browser. Your audio files are never sent to a server.
Which audio formats are supported?
This tool converts MP3 audio files to FLAC, all in your browser.
Does conversion reduce audio quality?
The quality slider lets you balance size and quality: higher values keep more detail, lower values shrink the file more.
Is it really free and unlimited?
Yes, the tool is completely free and you can convert as many audio files as you want, with no limits.
Does it work on mobile too?
Yes, it works on any modern device, including smartphones, tablets and desktop computers.
Which format will the result be in?
The converted file will always be in FLAC format, ready to download and use.
About the audio converter
Convert MP3 to FLAC audio online for free. Everything happens in your browser: your files are never uploaded to a server, and you need no downloads or sign-up to get started.