AAC to MP3 Converter

Turn AAC audio into 320 kbps MP3 for players and software that don't support AAC.

  • Free - no account
  • Nothing is uploaded
  • Runs in your browser

Drop an AAC to convert to MP3

AAC → MP3 is preselected. Other formats work too, up to 150 MB.

Choose a file

Your file is processed on your own device - it is never uploaded.

Why convert AAC to MP3

AAC is efficient and common on phones and streaming, but raw .aac files can confuse older players, car stereos and some DJ software.

Converting to MP3 gives you a file that plays on practically everything.

Older hardware

Car stereos and MP3 players that skip AAC.

Video exports

Audio pulled from video is often AAC.

DJ libraries

Keep a consistent MP3 library.

AAC to MP3 quality

Both are lossy, so a small extra loss happens. Encoding at 320 kbps keeps it minimal.

If you have the original WAV or FLAC, convert from that instead.

AAC vs MP3

PropertyAACMP3
Full nameAdvanced Audio CodingMPEG-1 Audio Layer III
CompressionLossyLossy
Typical sizeAbout 1.9 MB per minute at 256 kbpsAbout 2.4 MB per minute at 320 kbps
Best forEfficient lossy files for phones and streamingSharing, promos, previews and everyday listening
CompatibilityApple, Android and most modern playersPractically every device, browser and DJ setup

How to convert AAC to MP3

Output
MP3, 320 kbps constant bitrate
Sample rate
44.1 kHz for music, 48 kHz for audio taken from video

AAC to MP3 - frequently asked questions

Is AAC better than MP3?

At the same bitrate AAC is usually more efficient, but MP3 is more widely supported.

What's the difference between AAC and M4A?

M4A is a container that usually holds AAC. Both convert to MP3 here.

Is it free?

Yes. No account, no watermark, files up to 150 MB.

Is my file uploaded?

No. Everything stays on your device.