Convert WMV to WEBM

WMV to WEBM converter that runs entirely in your browser. 100% free, no signup, no upload — your files never leave your device. One-click batch conversion.

Conversions

Drop any file here or click to browse

All file types supported

About formats

WMV

WMV (Windows Media Video) is a video compression format developed by Microsoft as part of the Windows Media framework. WMV was designed for streaming over the internet and supports DRM copy protection. It is natively supported by Windows Media Player and remains common in corporate and Windows-centric video archives.

Developer: Microsoft
Initial release: 2003
Compression: Lossy
Color depth: up to 10-bit
Transparency: No
Animation: Yes

Best for

Windows-centric corporate video archives
Streaming video on legacy Windows systems
DRM-protected Windows Media content
Internal enterprise video distribution
Windows Media Player playback

Pros

+Good quality at low bitrates
+Native Windows Media Player support
+Supports DRM copy protection
+Designed for internet streaming

Cons

−Poor support on non-Windows platforms
−Proprietary Microsoft format
−Fewer modern editing tools support it
−Less efficient than H.264/HEVC

WEBM

WEBM is an open, royalty-free multimedia container designed for the web, sponsored by Google. It is based on the Matroska profile and pairs the VP8/VP9 or AV1 video codecs with the Opus or Vorbis audio codecs. WEBM is built for HTML5 video playback and is supported natively by Chrome, Firefox, Edge and most modern browsers.

Developer: Google
Initial release: 2010
Compression: Lossy
Color depth: up to 12-bit HDR
Transparency: No
Animation: Yes

Best for

Embedding video in HTML5 pages
Web-native video streaming
Royalty-free video delivery
Browser-based video playback
Open-source video projects

Pros

+Royalty-free and open format
+Native HTML5 playback in modern browsers
+Pairs VP8/VP9/AV1 with Opus/Vorbis
+Efficient compression for web delivery

Cons

−Limited support in Safari historically
−Fewer hardware decoders than H.264
−Less common in professional editing tools

How to convert WMV to WEBM

1
Select WMV files from your computer, Google Drive, Dropbox, a URL, or by dragging them onto the page.
2
Choose webm — or any other format you need as a result (more than 200 formats supported).
3
Let the file convert, then download your webm file right away.

WMV vs WEBM

Property	WMV	WEBM
Compression	Lossy	Lossy
Color depth	up to 10-bit	up to 12-bit HDR
Multi-track	Yes	Yes
DRM support	Yes	No
Open format	No	Yes

When to use WMV vs WEBM

WMV

Windows-centric corporate video archives
Streaming video on legacy Windows systems
DRM-protected Windows Media content
Internal enterprise video distribution
Windows Media Player playback

WEBM

Embedding video in HTML5 pages
Web-native video streaming
Royalty-free video delivery
Browser-based video playback
Open-source video projects

Use cases for WMV → WEBM

Windows-centric corporate video archives
Streaming video on legacy Windows systems
DRM-protected Windows Media content
Internal enterprise video distribution
Windows Media Player playback
Embedding video in HTML5 pages
Web-native video streaming
Royalty-free video delivery
Browser-based video playback
Open-source video projects

Frequently Asked Questions

Is converting WMV to WEBM free?

Yes. This WMV → WEBM converter runs entirely in your browser and is completely free — no account, no credits, no watermark.

Which devices and platforms can I use to convert WMV to WEBM?

Any modern device with a current web browser: Windows, macOS, Linux, Android, iPhone and iPad. There is nothing to install — the conversion happens locally.

Are my WMV files uploaded to a server?

No. Files never leave your device. The entire WMV → WEBM conversion runs locally in your browser, so your data stays private.

Can I convert multiple WMV files at once?

Yes — batch conversion is supported. Add as many WMV files as you like and convert them to WEBM in one pass, then download the results together.

What is the maximum file size?

There is no fixed server-side limit because the conversion happens in your browser. Practical limits depend on the available memory and CPU of your device.

Will converting WMV to WEBM reduce the quality?

Because both formats use lossy compression, the WEBM output will not bring back any quality that has already been lost in your WMV file. Avoid repeated re-encoding to keep the best quality.

Does WEBM support transparency?

No — WEBM has no alpha channel. Transparent areas of your WMV file will be filled with a solid background colour in the converted file.

How will the file size change after converting WMV to WEBM?

Both formats use comparable compression, so the WEBM output will be similar in size to your WMV file — typically within 10–20% of each other.

Related Conversions

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FREE

100% Free

No hidden fees, no subscriptions, and no limits. Enjoy complete access to all features gratis.

SIGNUP

No Signup Required

Start converting immediately without creating an account or sharing email address.

PRIVACY

Private & Secure

Your files never leave your device. All processing is completed locally for maximum privacy.

BATCH

Batch Conversion

Convert multiple files simultaneously to save time. Fast and efficient multi-file queue.

LOCAL

Runs in Browser

Utilizes advanced client-side WebAssembly technology to process files directly inside your tab.

FORMATS

200+ Formats

Supports a wide variety of formats including images, documents, audio, video, and more.

USER REVIEWS

Convert WMV to WEBM Quality Rating

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