Convert M4A to MP3

M4A vs MP3: what is the difference?

AAC audio in an MP4 container, common on Apple devices and streaming services. The most widely used lossy format, playable on nearly every device and app.

What happens to the sound quality?

Both M4A and MP3 are lossy, so each conversion costs a little more quality. Convert from the original if you have it.

How much will the file size change?

For a 3-minute stereo track, M4A is about 4.3 MB and MP3 is about 4.3 MB. Actual sizes depend on the track and settings.

When should you choose MP3?

MP3 is a good fit when you need it to play everywhere.

FAQ

Does converting M4A to MP3 reduce the sound quality?

Both M4A and MP3 are lossy, so each conversion costs a little more quality. Convert from the original if you have it.

Are my files uploaded to a server?

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

What is the MP3 format used for?

The most widely used lossy format, playable on nearly every device and app. MP3 is a good fit when you need it to play everywhere.