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 fileYour 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
| Property | AAC | MP3 |
|---|---|---|
| Full name | Advanced Audio Coding | MPEG-1 Audio Layer III |
| Compression | Lossy | Lossy |
| Typical size | About 1.9 MB per minute at 256 kbps | About 2.4 MB per minute at 320 kbps |
| Best for | Efficient lossy files for phones and streaming | Sharing, promos, previews and everyday listening |
| Compatibility | Apple, Android and most modern players | Practically 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.
Other conversions
M4A to MP3 Converter
Turn Apple M4A files into 320 kbps MP3s that play anywhere. Free, private and right in your browser.
OGG to MP3 Converter
Make OGG files play anywhere by converting them to 320 kbps MP3, right in your browser.
WAV to MP3 Converter
Shrink a WAV into a 320 kbps MP3 for promos, previews and sharing. Your file never leaves your device.
Need a different format? Use the full Audio Converter.