Convert MKV 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.
MKV
Matroska Video — A flexible container that holds multiple audio, video and subtitle tracks.
WMA
Windows Media Audio — A Microsoft audio format with limited support outside Windows.
How to convert MKV to WMA
- 1Upload your MKV file
Click “Choose a file” or drag and drop your MKV 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.
MKV vs WMA
| MKV | WMA | |
|---|---|---|
| Full name | Matroska Video | Windows Media Audio |
| Type | Video | Audio |
| Compression | Lossy | Lossy |
| Best for | archiving films with multiple tracks; converted to MP4 for compatibility | legacy Windows audio; converted to MP3 for sharing |
Frequently asked questions
Does converting MKV to WMA lose quality?
Both MKV 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 MKV and WMA?
Matroska Video (MKV) is lossy and best for archiving films with multiple tracks; converted to MP4 for compatibility. Windows Media Audio (WMA) is lossy and best for legacy Windows audio; converted to MP3 for sharing. Convert MKV to WMA when you need a audio for legacy Windows audio.
Is the MKV to WMA converter free?
Yes — converting MKV 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 MKV 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 MKV 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 MKV 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 MKV files to?
Besides WMA, you can convert MKV to AAC, AVI, FLAC, FLV, GIF, JPG and more — see the full list of MKV conversions below.
Other conversions
Last updated July 2026