Question 1

How do I specify the start and end time?

Accepted Answer

Enter the time as hours:minutes:seconds or just seconds — the format is detected automatically.

Question 2

Does trimming lose quality?

Accepted Answer

Trimming is done without re-encoding (stream copy) wherever possible, which preserves the original quality.

Question 3

Can I trim several segments at once?

Accepted Answer

The current version supports cutting one segment at a time — repeat the operation for multiple parts.

Question 4

Is the video processed locally?

Accepted Answer

Yes, all processing happens in the browser using ffmpeg.wasm, with nothing sent to a server.

Question 5

Which video formats are supported?

Accepted Answer

Popular formats are supported: MP4, WebM, MOV, and others recognized by FFmpeg.

Video Trimmer

How to use it