WebM Converter

Convert WebM files to MP3 online. WebM is a video container. Free batch processing with no signup or watermark.

Upload your videos

What to know before converting WebM

WebM is a video container. Choose an output container and codecs that the destination device, editor or website supports.

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

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

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 the WebM converter free?

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

Which formats can I convert WebM to?

The available output choices are shown in the converter. They depend on the type of data a WebM file can contain.

Which conversion options are available on this page?

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

How are uploaded files handled?

Files are used only to complete the requested conversion. When server processing is required, temporary files are deleted as soon as the result is ready, as described in the privacy policy.