Cut WebM videos online
Cut a WebM video to the part you want and save it as WebM again. Mark the start and end on the preview, in your browser.
Drop a video here
MP4, MOV, WebM or MKV. Up to 1.0 GB per file.
Runs in your browser. Your files are not uploaded.
Large videos can run out of memory on phones.
Changing the picture uses your browser's own video encoders. Recent Chrome and Edge can write H.264, VP9 and AV1; Firefox and older Safari lack some encoders, so the tools offer only what your browser can produce and say so when something is missing.
Need only the soundtrack? Extract audio with the audio tools.
How to use Cut WebM videos online
Drop a WebM file on the page, such as a screen recording.
Play the preview and mark the start with Use current time next to Start.
Mark the end in the End field.
Select Trim video and download the shorter WebM.
Questions
No. Everything runs in your browser and the file never leaves your device.
Yes. A file ending in .webm is saved as WebM.
Yes. Many screen and camera recorders save WebM, and those files open here.
This tool keeps one part, from the start time to the end time. To get several parts, use Split video, or cut the video more than once.
Related tools
- Video cutter (trim video)Cut a video to the part you want, with a preview and buttons to mark the start and end.
- Resize videoScale a video to 1080p, 720p or 480p, or fit it to a square, portrait or landscape frame.
- Rotate and flip videoTurn a video by 90 degrees or mirror it horizontally or vertically.
- Mute videoRemove the sound from a video and keep the picture untouched.