Convert MP3 to WMA online in seconds — free, with no sign-up. WMA is lossy and ideal for legacy Windows audio; converted to MP3 for sharing. Your files are encrypted and deleted automatically after 24 hours.
MP3
MP3 audio — The most compatible lossy audio format — small files that play on every device.
WMA
Windows Media Audio — A Microsoft audio format with limited support outside Windows.
How to convert MP3 to WMA
- 1Upload your MP3 file
Click “Choose a file” or drag and drop your MP3 file onto the page — no sign-up or email needed.
- 2Convert to WMA
WMA is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your WMA file
Your WMA file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
MP3 vs WMA
| MP3 | WMA | |
|---|---|---|
| Full name | MP3 audio | Windows Media Audio |
| Type | Audio | Audio |
| Compression | Lossy | Lossy |
| Best for | music, podcasts and sharing where compatibility matters most | legacy Windows audio; converted to MP3 for sharing |
Frequently asked questions
Does converting MP3 to WMA lose quality?
Both MP3 and WMA 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 MP3 and WMA?
MP3 audio (MP3) is lossy and best for music, podcasts and sharing where compatibility matters most. Windows Media Audio (WMA) is lossy and best for legacy Windows audio; converted to MP3 for sharing. Convert MP3 to WMA when you need a audio for legacy Windows audio.
Is the MP3 to WMA converter free?
Yes — converting MP3 to WMA 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 MP3 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 MP3 to WMA 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 MP3 to WMA?
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 MP3 files to?
Besides WMA, you can convert MP3 to AAC, AIFF, FLAC, M4A, OGG, OPUS and more — see the full list of MP3 conversions below.
Other conversions
Last updated July 2026