Video tool
Video to WebM
Convert a playable video to WebM using MediaRecorder.
Video to WebM workspace
Workspace
Video to WebM
Drop a video to convert it to WebM
or · MP4, WebM or MOV · nothing is uploaded
Load once
Your video stays on this device and is never uploaded.
Work in focus
The editor opens in a large modal, with every control in view.
Export clean
Save the result without an account or a watermark.
The guide
By the utils.sbs team · Reviewed November 2026 · How we build and review tools
Quick answer
Video to WebM is a free browser-based video tool. Convert a playable video to WebM using MediaRecorder. It runs with canvas, MediaRecorder and WebCodecs locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.
What is Video to WebM?
Video to WebM is a free browser-based video tool from utils.sbs. Convert a playable video to WebM using MediaRecorder. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.
At a glance
| Category | Video |
|---|---|
| Input | MP4, WebM or another browser-decodable video |
| Output | A video, GIF or frame image |
| Engine | canvas, MediaRecorder and WebCodecs |
| Processing | In your browser |
| Price | Free |
| Account | Not required |
How Video to WebM works
Video work uses the browser's media APIs, canvas and WebCodecs where available. Encoding and frame extraction run locally.
How to use Video to WebM
- 1Open Video to WebM and add your input.
- 2Adjust the options: frame rate.
- 3Run the tool, check the preview or result, and download the output.
When to use Video to WebM
- Trim a clip or remove a section before publishing.
- Convert a recording into a format that is easier to share.
- Export a frame, GIF or compressed version for the web.
Inputs and options
- Frame rate
- Choose one of 3 options.
Limitations
Encoding speed and supported codecs depend on the browser and device. Long or high-resolution videos may be limited by available memory.
Privacy and accuracy
Video to WebM processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.
FAQ
Video to WebM questions
What can I do with Video to WebM?
Convert a playable video to WebM using MediaRecorder. Video to WebM is part of the Video shelf on utils.sbs and is designed for quick, one-off tasks.
Is Video to WebM free to use?
Yes. Video to WebM is free, requires no account, and has no per-file or per-use charge.
Are my files uploaded when I use Video to WebM?
No. Video to WebM is designed to process your input locally in the browser. Files are not uploaded to a server for processing.
What formats does Video to WebM support?
It accepts the video formats your browser can decode and exports a downloadable video, GIF or frame image.
Can I use Video to WebM on my phone?
Yes. Video to WebM is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.
Keep going
Related video tools
- Video TrimmerDrag in and out points on the filmstrip and export a WebM clip in the browser.
- Video CropperCrop video freely or to a preset aspect ratio and export the result locally.
- Video CompressorRe-record video at a lower bitrate for a smaller file.
- Video to GIFSelect a range on the filmstrip and turn it into an optimised animated GIF.
- Video to FramesExtract evenly spaced frames from a video as a ZIP of PNGs.
- Video Frame ExtractorScrub the filmstrip and grab a full-resolution still at any moment.