Don's Tools · Video · Trim, Cut & Crop

Trim, cut & crop

Cut a video to the part you want and crop the frame, right in your browser. Nothing is uploaded.

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Trim
Drag the green box and its corners on the video.
Quality
Audio
Format
Heads up: everything runs on your device. Large or long videos can use a lot of memory and may slow down or even crash your browser tab. It can also be slow, so keep this tab open and your device awake while it works. Maximum file size is 1 GB, one video at a time.
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Drop a video here
or tap to choose · up to 1 GB · stays on your device
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Trim, Cut and Crop Video is a free tool that edits video entirely in your browser, with nothing uploaded. You can trim and cut the clip to a start and end time, and draw a crop box over the frame to keep only part of the picture. It detects fast hardware-accelerated encoding through the WebCodecs API and uses it when available, otherwise it falls back to a built-in engine that downloads about 31 MB the first time. Output is MP4 (H.264) or WebM (VP9). The maximum file size is 1 GB.

Frequently asked questions

Are my videos uploaded anywhere?

No. The trimming, cutting and cropping all happen inside your browser on your device, and the video is never sent to a server.

Is there a size limit?

Yes, the limit is 1 GB per video and one video at a time. Everything runs on your device, so large or long videos use a lot of memory; files near that size are the most likely to slow down or crash the tab, especially on the compatible engine or on phones.

What are the two engines?

Fast mode uses your device's own hardware video encoder (best in Chrome and Edge) and needs no download. Compatible mode uses a built-in engine that works more widely but downloads about 31 MB the first time and is slower. It picks automatically, and you can override the choice.

How do trim, cut and crop work together?

Trim and cut keep only the part between your start and end times. Crop keeps only the rectangle you draw on the video. You can use both together or just one of them, and the result is exported as a new video.

Will the quality change?

Editing re-encodes the video, so there is a small quality cost, set by the quality option. Cropping changes the picture on purpose by keeping only the area you select; trimming on its own mostly just shortens the clip.

Which formats can I use?

It reads most common video files and outputs either MP4 (H.264), which plays almost everywhere, or WebM (VP9). If your browser cannot make the format you picked, the tool switches to the one it can.