CloudConverterConvert AAC to MP3 for devices and software that do not accept AAC files. MP3 is the most universally supported audio format.
AAC vs MP3: what changes
AAC is a lossy format designed as the successor to MP3 and usually sounds better at the same file size. It is used by Apple devices, YouTube and streaming services. MP3 is older but plays on practically every device. Because both are lossy, the conversion re-encodes the audio.
When to convert AAC to MP3
Use it when an older player, car stereo, phone or upload form accepts MP3 but not AAC, or when you need one common format for a set of files.
Before you convert
Converting lossy audio to another lossy format cannot improve quality and adds a small extra loss. Keep the original AAC as your master copy.
Tips for converting AAC to MP3
For best results, convert from the highest quality AAC you have. Converting a low quality AAC will not improve it. If you only need the audio from a video, extract it first and then convert.
Convert AAC to MP3 on any device
Choose your AAC file on this page and download the MP3. On a phone, pick the file from Files or your gallery. On Windows and Mac, drag it onto the upload box. If your file ends in .m4a instead, use the M4A to MP3 converter.
Frequently asked questions
Is AAC better than MP3?
At the same bitrate AAC usually sounds a little better, but MP3 is more widely supported.
What is the difference between AAC and M4A?
M4A is a container that usually holds AAC audio. A plain .aac file is the audio stream on its own.
Can I convert an M4A file here?
This page is for .aac files. For .m4a files, use the M4A to MP3 converter.
What is the maximum file size?
200 MB per file.
Does the MP3 sound worse than the AAC?
There can be a small loss because both formats are lossy. On normal speakers it is rarely noticeable.
Is it free to convert AAC to MP3?
Yes. It is free, with no sign-up and no watermark.
Are my files kept after conversion?
No. Uploaded files are processed and deleted after your download. We do not keep a library of your files.
Is there a file size limit?
Uploads are capped at 200 MB per file.