WEBM WMV
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Convert WEBM to WMV

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WEBM to WMV converterFREE

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Tested on macOS, Windows & Linux
Last verified Nov 2026

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How to convert WEBM to WMV

  1. Add your .WEBM file - drop it in the box above or click to browse.
  2. Convert it to .WMV in a few seconds.
  3. Download your new .WMV file.

What to expect

  • The video and audio are re-encoded (VP8/VP9/AV1 to WMV codec, Opus/Vorbis to Windows Media audio), so this is a lossy conversion, not a straight copy.
  • WMV is a proprietary Microsoft format and generally less space-efficient than VP9 or AV1 at the same visual quality.
  • Container-level extras from WEBM are not preserved; the output is a single video/audio stream in an ASF container.

Frequently asked questions

Will the video quality change when converting WEBM to WMV?
Yes. WEBM holds VP8, VP9 or AV1 video, while WMV uses Microsoft's older WMV codec, so the video is fully re-encoded rather than copied. This is a lossy step, and at the same file size the WMV-codec result is generally less efficient than modern VP9 or AV1.
Why convert WEBM to WMV?
WMV plays natively in Windows Media Player with no setup, so converting is useful for older Windows workflows and tools that expect Microsoft media formats. WEBM, by contrast, is aimed at web browsers.
Where will the resulting WMV file play?
On Windows it opens in the built-in Media Player without extra codecs. On Mac, Linux, Android or iOS you can play it with VLC; QuickTime cannot open WMV on modern macOS.
What is lost in the conversion?
Because the video and audio are re-encoded, some detail is discarded in the process, and WEBM's Opus or Vorbis audio is re-encoded to a Windows Media audio track. Any features specific to the WEBM container are not carried into ASF/WMV.
Learn about the formats: .WEBM · .WMV