How to convert AAC to MP3
To convert AAC to MP3, upload your AAC file, choose MP3 as the output format and press Convert. The finished MP3 file is ready to save to your phone or computer in seconds, free, with no watermark and no sign-up. Your file is deleted from our server about 30 minutes after the conversion.
This free online converter turns AAC audio files into MP3 in your browser, with no software to install and no watermark. The conversion runs on our server using ffmpeg, and the result is ready to save to your phone or computer in seconds. Your AAC file is deleted automatically about 30 minutes after the conversion.
Why convert AAC to MP3?
- Plays on virtually every device
- Small files at good quality
- Supported by every editor and platform
- Opens in: every phone, computer, car stereo, smart speaker and web browser
What to expect from this conversion
- Both formats are lossy, so converting costs a little extra quality. If you still have the original, convert from that.
- Tags such as title and artist are carried over where MP3 supports them.
AAC vs MP3
| Property | AAC | MP3 |
|---|---|---|
| Full name | Advanced Audio Coding (ADTS stream) | MPEG-1 Audio Layer III |
| Released | 1997, MPEG (Fraunhofer, Dolby, Sony and others) | 1993, Fraunhofer and MPEG |
| Family | Audio | Audio |
| Compression | Lossy | Lossy |
| Opens in | iPhone, Android, Windows, macOS, VLC and most hardware players | every phone, computer, car stereo, smart speaker and web browser |
| Best for | streaming and broadcast; radio and live audio | music libraries and downloads; podcasts |
Steps to convert AAC to MP3
- Drop your AAC file onto the converter, or click to choose it.
- Check that MP3 is selected as the target format and adjust the options if you want.
- Press Convert, then save the new MP3 file to your device when it finishes.
Tips for the best result
- Choose High for music you care about and Small for voice recordings.
- Convert from the original lossless file when you have one.
Frequently asked questions
How do I convert AAC to MP3?
Drop your AAC file on the converter, confirm that MP3 is the target format and press Convert. When it finishes, press Save to device or download the MP3 file. No account or software is needed.
Is the AAC to MP3 converter free?
Yes. It is free, with no watermark, no sign-up and no limit on how many files you convert. The site is supported by ads.
What should I know before converting AAC to MP3?
Both formats are lossy, so converting costs a little extra quality. If you still have the original, convert from that. Tags such as title and artist are carried over where MP3 supports them.
Will the sound quality change when converting AAC to MP3?
Both formats are lossy, so converting costs a little extra quality. If you still have the original, convert from that.
Which programs open MP3 files?
MP3 files open in every phone, computer, car stereo, smart speaker and web browser.
How large a file can I convert?
Up to 200 MB per file. Files are deleted from the server about 30 minutes after conversion, and no one looks at them.