Convert WEBM to WMV
Free, fast and secure — convert WEBM to WMV right in your browser.
WEBM
WMV
Convert WEBM to WMV with a solid background
Converting WEBM to WMV flattens transparency onto a solid background, producing a Windows Media Video that displays consistently wherever transparency is not supported.
How to convert WEBM to WMV
- 1 Drop your WEBM file into the converter above.
- 2 It is converted to WMV automatically — no settings to fiddle with.
- 3 Download your new WMV file instantly.
WEBM vs WMV
| Feature | WEBM | WMV |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | Yes | No |
| Animation | Yes | Yes |
| MIME type | video/webm | video/x-ms-wmv |
| Best for | Embedding fast-loading video on websites and web apps. | Legacy Windows video — converted to MP4 for modern sharing. |
About the formats
WEBM
WebM video
WebM is an open, royalty-free format built for the web. It streams efficiently in modern browsers and supports transparency, making it a favourite for HTML5 video.
Strengths
- Optimised for web streaming
- Open and royalty-free
- Supports alpha transparency
Limitations
- Limited support outside browsers
- Not ideal for editing
- Less common on mobile apps
Best for: Embedding fast-loading video on websites and web apps.
WMV
Windows Media Video
WMV is Microsoft’s video format, once common on Windows for streaming and playback. It compresses well but is dated and poorly supported outside Windows.
Strengths
- Good compression for its era
- Plays natively on Windows
- Small files
Limitations
- Weak support on Mac, mobile and web
- Dated codec
- Often needs converting
Best for: Legacy Windows video — converted to MP4 for modern sharing.
Frequently asked questions
Upload your WEBM file above and it is converted to WMV automatically. When it is ready, download your new Windows Media Video — the whole thing takes just a few seconds in your browser.
Converting WEBM to WMV flattens transparency onto a solid background, producing a Windows Media Video that displays consistently wherever transparency is not supported.
Converting between compressed formats can introduce minor changes, but our converter keeps your WMV looking as close to the original as possible.
Yes. The converter is free to use, with no watermark and no sign-up required.
Your files are processed securely and are never shared with anyone.