Convert WMA to AAC Online
WMA and AAC serve different purposes. Convert WMA to AAC here when you need streaming, mobile audio, iTunes/Apple Music.
How to convert WMA to AAC
- Upload your WMA file. Drag it onto the box above or click to browse. Files up to 200 MB are accepted.
- Choose AAC as the output. The target format is pre-selected on this page — just press “Convert now”.
- Download the result. Conversion runs on our own server and the download starts as soon as it is ready. Your files are deleted automatically.
Why convert WMA to AAC?
WMA is microsoft's proprietary audio format used in older Windows Media libraries. AAC is the modern successor to MP3, delivering better quality at the same bitrate. That difference is exactly why converting between them is so common: AAC is the better choice for streaming, mobile audio, iTunes/Apple Music.
WMA vs AAC: key differences
| WMA | AAC | |
|---|---|---|
| File type | lossy | lossy |
| Typical use | legacy Windows audio, DRM-era music stores | streaming, mobile audio, iTunes/Apple Music |
| Compatibility | Windows-centric; poor support elsewhere. | Excellent support across phones, browsers and streaming platforms. |
Tips for a clean WMA to AAC conversion
- Windows-centric; poor support elsewhere.
- Use the highest-quality source WMA you have — converting a compressed file again cannot restore lost detail.
- If you only need a smaller file, try a lower resolution or bitrate instead of a different format.
- Keep the original WMA until you have checked the converted AAC opens the way you expect.
Frequently asked questions
How do I convert WMA to AAC?
Upload your WMA file to the converter on this page, make sure AAC is selected as the output format and click “Convert now”. When the conversion finishes the download starts automatically.
Is this WMA to AAC converter free?
Yes — it is completely free and needs no account. Files up to 200 MB are accepted, and heavy use is rate-limited so the service stays available for everyone.
Will converting WMA to AAC reduce quality?
AAC uses lossy compression, so the converted file is re-encoded. Quality loss is minimal at sensible settings, but keep the original WMA if you may need to convert again later.
What is a WMA file?
WMA is microsoft's proprietary audio format used in older Windows Media libraries. Its technical name is Windows Media Audio and it is typically used for legacy Windows audio, DRM-era music stores.
What is a AAC file?
AAC is the modern successor to MP3, delivering better quality at the same bitrate. Its technical name is Advanced Audio Coding and it is typically used for streaming, mobile audio, iTunes/Apple Music.
Can I convert WMA to AAC on my phone?
Yes. The converter runs in the browser on Android, iOS, Windows, macOS and Linux — no app installation is required.
Are my files kept on the server?
No. Uploaded files and converted results are deleted automatically a short time after the conversion finishes.