WMV to WebM Converter

Convert WMV to WebM online. WMV and WebM are containers, while the video and audio codecs live inside them. Free batch processing with no signup or watermark.

Upload your videos

What changes when you convert WMV to WebM?

WMV and WebM are containers, while the video and audio codecs live inside them. Compatible streams may be copied; otherwise they are re-encoded for the selected WebM settings.

For the widest playback support, check that the selected video and audio codecs are accepted by the device or service that will receive the WebM file.

Add multiple videos and adjust the available video and audio codec settings before processing.

Open the finished WebM file and check fine details, layout and compatibility in the app where you plan to use it.

What is a WMV file?

WMV (Windows Media Video) is Microsoft’s video format, once common for Windows clips and PowerPoint. It keeps files small but plays poorly outside Windows - Macs, phones and web browsers often can’t open it, so MP4 is the safer choice for sharing.

How to open a WMV file

WMV plays in Windows Media Player and VLC; on Mac, phones or the web, convert it to MP4 first.

What is a WebM file?

WebM is an open, royalty-free video format built for the web. It streams efficiently at small file sizes and is supported natively by modern browsers, which makes it ideal for online video and HTML5 players.

How to open a WebM file

WebM plays in all current browsers (Chrome, Firefox, Edge) and VLC; older devices or editing software may need it converted to MP4.

Frequently asked questions

Is it free to convert WMV to WebM?

Yes. There is no sign-up, subscription or watermark on the converted file.

What happens to quality when WMV becomes WebM?

WMV and WebM are containers, while the video and audio codecs live inside them. Compatible streams may be copied; otherwise they are re-encoded for the selected WebM settings.

Which conversion options are available on this page?