Convert WMA to M4A online in seconds — free, with no sign-up. M4A is lossy and ideal for Apple devices; converted to MP3 for universal playback. Your files are encrypted and deleted automatically after 24 hours.
WMA
Windows Media Audio — A Microsoft audio format with limited support outside Windows.
How to convert WMA to M4A
- 1Upload your WMA file
Click “Choose a file” or drag and drop your WMA file onto the page — no sign-up or email needed.
- 2Convert to M4A
M4A is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your M4A file
Your M4A file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
WMA vs M4A
| WMA | M4A | |
|---|---|---|
| Full name | Windows Media Audio | MPEG-4 Audio |
| Type | Audio | Audio |
| Compression | Lossy | Lossy |
| Best for | legacy Windows audio; converted to MP3 for sharing | Apple devices; converted to MP3 for universal playback |
Frequently asked questions
Does converting WMA to M4A lose quality?
Both WMA and M4A use compression, so re-encoding discards a little more data. For a single conversion the change is imperceptible to the ear; just avoid repeatedly re-converting the same file.
What's the difference between WMA and M4A?
Windows Media Audio (WMA) is lossy and best for legacy Windows audio; converted to MP3 for sharing. MPEG-4 Audio (M4A) is lossy and best for Apple devices; converted to MP3 for universal playback. Convert WMA to M4A when you need a audio for Apple devices.
Is the WMA to M4A converter free?
Yes — converting WMA to M4A is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my WMA files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert WMA to M4A on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert WMA to M4A?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert WMA files to?
Besides M4A, you can convert WMA to AAC, AIFF, FLAC, MP3, OGG, OPUS and more — see the full list of WMA conversions below.
Other conversions
Last updated July 2026