Is Trim video free? Is there a watermark?

Yes — Trim video is free to use with no sign-up or watermark. Very large files can still be limited by your browser's available memory and processing resources.

Do my files get uploaded to a server?

No. Trim video runs entirely in your browser with WebAssembly, so your MP4, MOV, WebM, MKV file never leaves your device and nothing is stored or seen by us.

What can I put in, and what do I get out?

Trim video accepts MP4, MOV, WebM, MKV and gives you back a MP4 file. You can also set start and end before you run it. Actual codec support depends on what the bundled engine or browser decoder can read.

Does Trim video change my original file?

No. It never touches your original — Trim video creates a brand-new MP4 file to download and leaves the source on your device untouched.

Free tools · Edit

Trim video

Trim a video to a start and end time — keep only the section you need. Runs locally in your browser with no upload and no watermark.

Runs entirely in your browser. Your file is never uploaded — no watermark, no account.

Drop a file or click to chooseMP4, MOV, WebM, MKV

Get a better result

Best for: Removing setup, dead air, or an unwanted ending when the useful material is one continuous range inside the source.
Input → output: A selected start and end time produce one re-encoded H.264 MP4 segment with AAC audio. End time defaults from the loaded video duration.
Quality tip: Choose timestamps from the preview and leave a small handle around speech or movement. Check both cut boundaries with sound.
Know before running: The tool keeps only one continuous section and cannot join several ranges. Cutting triggers a lossy transcode rather than a keyframe-only stream copy.
Next step: Crop to aspect ratio to reframe the shorter clip for its destination.

How to use Trim video

1
Choose your file. Drop a supported MP4, MOV, WebM, MKV file into the tool, or click to select one. It stays on your device — nothing is uploaded.
2
Pick your settings. Adjust the available options, then press Run. The first processing run loads the browser engine before conversion begins.
3
Download. Review the result, then download the finished file from your browser with no watermark.

Frequently asked questions

Is Trim video free? Is there a watermark?: Yes — Trim video is free to use with no sign-up or watermark. Very large files can still be limited by your browser's available memory and processing resources.
Do my files get uploaded to a server?: No. Trim video runs entirely in your browser with WebAssembly, so your MP4, MOV, WebM, MKV file never leaves your device and nothing is stored or seen by us.
What can I put in, and what do I get out?: Trim video accepts MP4, MOV, WebM, MKV and gives you back a MP4 file. You can also set start and end before you run it. Actual codec support depends on what the bundled engine or browser decoder can read.
Does Trim video change my original file?: No. It never touches your original — Trim video creates a brand-new MP4 file to download and leaves the source on your device untouched.