Question 1

How do I trim a video online?

Accepted Answer

Upload your video, set the start and end time using the sliders, and click Trim. The trimmed clip downloads to your device.

Question 2

Will trimming reduce video quality?

Accepted Answer

No. The tool cuts at the exact timestamps without re-encoding, preserving original quality.

Question 3

What video formats are supported?

Accepted Answer

MP4, WebM, and MOV formats are supported.

Question 4

Is there a maximum video length I can trim?

Accepted Answer

No length limit, but longer videos require more browser memory. Very long videos may take a minute to process.

Question 5

Is my video uploaded to a server?

Accepted Answer

No. Trimming runs with FFmpeg.wasm entirely in your browser.

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