Video Trimmer — Cut Video Online Free
Keep only the part of a video you want. Choose a start and end time, trim it, and download the shorter clip. Everything runs in your browser — your video never leaves your device.
MP4, WebM, MOV and other formats your browser can play.
Clip length: 0.0s. Move a slider to preview that point in the video.
Your result will appear here
Trimmed clip
Output format: WebM (VP8 + Opus). WebM plays in Chrome, Firefox, Edge and most modern players.
How to use
- Choose a video — it stays in your browser and is never uploaded.
- Drag the start and end sliders (or type exact seconds) to mark the part you want to keep.
- Click Trim video, then download the trimmed WebM clip.
Frequently asked questions
Why is the trimmed clip a WebM file and not MP4?
Browsers can only record video as WebM through the built-in MediaRecorder — there is no MP4 encoder in the browser. WebM plays in Chrome, Firefox, Edge and Safari 14.1+, and free tools like VLC can convert it to MP4 if you need that format.
Is the cut frame-exact?
Nearly, but not perfectly frame-exact: the browser records the segment as it plays, so the cut lands within a fraction of a second of your chosen times. For casual clips and social posts that is more than close enough.
Does trimming change the video quality?
Slightly — the kept segment is re-encoded at a high bitrate (2.5 Mbps video), so the visible difference is minimal, but it is a re-encode rather than a lossless cut.
Is my video uploaded anywhere?
No. The video is read and trimmed entirely on your device. Nothing is sent to a server, and closing the page deletes everything. Use it as a free video trimmer online — no signup, nothing to install.
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