FileKeeps

Trim Video

Cut out just the part of a video you want — everything runs in your browser

On-Device

1. Choose a video

2. Section & mode

Selection: 10.0s — drag on the timeline to set a range, use the edge handles to fine-tune.

Trim mode

Cuts in seconds without re-encoding. The start may shift slightly to a keyframe.

3. Trim

Save only the part of a video you need. Fast lossless mode finishes in seconds without re-encoding; precise mode cuts frame-accurately and saves as MP4. Everything runs in your browser — files never leave your device.

What you can do

  • Lossless fast trim (-c copy)
  • Frame-accurate re-encode mode
  • Set start/end from the playhead
  • Instant preview of the result

How to use

  1. 1Upload a video and find the moment in the preview
  2. 2Set start, end, and mode
  3. 3Press Trim and download

Supported formats · MP4 · MOV · WebM · MKV