Convert WMV to WEBM
Free, fast and secure — convert WMV to WEBM right in your browser.
WMV
WEBM
Convert WMV to WEBM for wider compatibility
Converting WMV to WEBM gives you a more widely supported file that opens cleanly across more devices, apps and platforms — handy when WMV will not play nicely everywhere.
How to convert WMV to WEBM
- 1 Drop your WMV file into the converter above.
- 2 It is converted to WEBM automatically — no settings to fiddle with.
- 3 Download your new WEBM file instantly.
WMV vs WEBM
| Feature | WMV | WEBM |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | Yes |
| Animation | Yes | Yes |
| MIME type | video/x-ms-wmv | video/webm |
| Best for | Legacy Windows video — converted to MP4 for modern sharing. | Embedding fast-loading video on websites and web apps. |
About the formats
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.
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.
Frequently asked questions
Upload your WMV file above and it is converted to WEBM automatically. When it is ready, download your new WebM video — the whole thing takes just a few seconds in your browser.
Converting WMV to WEBM gives you a more widely supported file that opens cleanly across more devices, apps and platforms — handy when WMV will not play nicely everywhere.
Converting between compressed formats can introduce minor changes, but our converter keeps your WEBM 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.