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WEBM
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WMV

WebM to WMV Converter — Free, Online, No Upload

WebM is a web format; WMV is a Windows format — convert when the destination is a Windows-only environment.

Free · no signup2 free files a day100% in-browser · no upload

Tap to select WEBM files

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✓ Files never uploaded✓ 100% browser-based✓ No account required
Need the reverse?WMV → WEBM

How to convert WEBM to WMV online

  1. 1

    Drop your WEBM file

    Drag your WebM Video Format file onto the box above, or click it to pick a file.

  2. 2

    Wait a few seconds

    Conversion starts on its own and runs on your device, not on a server.

  3. 3

    Download your WMV

    Click Download to save the Windows Media Video file.

WEBM vs WMV: format overview

WEBM

WebM Video Format

Google (On2 Technologies) · 2010

Compression
lossy
Transparency
No
  • ✓ Royalty-free codec (VP8/VP9/AV1)
  • ✓ Excellent web streaming support
  • ✗ Not supported on iOS/Safari natively
WMV

Windows Media Video

Microsoft · 2003

Compression
lossy
Transparency
No
  • ✓ Good compression for Windows-native workflows
  • ✓ DRM support for content protection

WEBM magic bytes: 1A 45 DF A3

WMV magic bytes: 30 26 B2 75 8E 66 CF 11

Why convert WEBM to WMV?

WebM is a web-native format that simply does not exist in many corporate and institutional technology environments. If you work in an organization that runs Windows-based video management systems, SharePoint document libraries, older LMS platforms, or hardware that accepts only Windows Media formats, WebM files are functionally invisible. IT policies, legacy software, and enterprise media players often accept only WMV and nothing else.

WMV (Windows Media Video) is the format that these environments were built around. Windows Media Player, SharePoint, older versions of PowerPoint, and enterprise video management systems all handle WMV natively. Corporate training platforms, legal discovery systems, and government document archives frequently require WMV as the accepted video format for submission or storage.

Converting WebM to WMV transcodes the VP8 or VP9 video to Windows Media Video codec and the Opus or Vorbis audio to WMA, placing everything in the Windows-native container. This is not a conversion you do for quality — WMV's compression is older and less efficient than VP8 or VP9. You do it for compatibility: to get a video into a system that will not accept anything else. The resulting file will play in Windows Media Player and any Windows-based corporate system without additional software or codec installation.

Quality & file size: WEBM to WMV

Typical sizes: WEBM 50–200 MB (1 minute 1080p); WMV 50–150 MB (1 minute 720p).

Frequently asked questions

What Windows tools require WMV instead of WebM?
Older versions of Windows Media Player, some corporate presentation and digital signage systems, and legacy video authoring tools that pre-date WebM. Modern Windows software (VLC, Media Player in Windows 11) handles WebM fine.
How does WMV quality compare to WebM?
WebM's VP8 and VP9 codecs are more efficient than the WMV2 codec this converter writes. The WMV uses a fixed high quality level, so it looks close to the WebM, but it is usually larger.

Your WEBM file never leaves this tab — FormatDrop has no endpoint that receives file data. How it works