Convert AAC to FLAC

AAC vs FLAC: what is the difference?

A lossy codec that is more efficient than MP3 at the same bitrate. A lossless format that shrinks files without discarding any audio quality.

What happens to the sound quality?

AAC is already lossy. Converting to FLAC will not bring back lost quality and only makes the file larger.

How much will the file size change?

For a 3-minute stereo track, AAC is about 4.3 MB and FLAC is about 17.5 MB. Actual sizes depend on the track and settings.

When should you choose FLAC?

FLAC is a good fit when you want to save space without losing quality.

FAQ

Does converting AAC to FLAC reduce the sound quality?

AAC is already lossy. Converting to FLAC will not bring back lost quality and only makes the file larger.

Are my files uploaded to a server?

Files never leave your device; everything runs in your browser.

What is the FLAC format used for?

A lossless format that shrinks files without discarding any audio quality. FLAC is a good fit when you want to save space without losing quality.