Free browser tool
Free Video Trimmer
Cut a segment by start and end time — accurate seek (-i then -ss) in your browser.
Accurate seek re-encodes the clip. Prefer short ranges and ≤1280 width for WASM memory.
Drop a video here
MP4 / MOV / WebM — runs on your device
100% client-side via ffmpeg.wasm. Your video never leaves this device.
About this video trimmer
Set start and end times to export a clip with ffmpeg.wasm. We seek after opening the input for frame-accurate cuts.
Output is re-encoded to H.264 MP4 with optional audio. Long HEVC sources may need lower resolution.
Need automation beyond one-off clips? Explore okayok.ai.
Why trim here
Accurate seek
Uses -i then -ss so cuts land closer to the frame you want.
Private
Your file never leaves the device.
Optional audio
Keep or drop audio to trade quality vs memory.
Related tools
Compress, resize, or turn the clip into a GIF next.
How to trim
- 1
Choose a video
Drop MP4, MOV, or WebM.
- 2
Set start & end
Enter times in seconds (decimals allowed).
- 3
Download the clip
Process and save the trimmed MP4.
FAQ
More video tools
Resize Video
Scale to 1080p, 720p, 480p, or a custom width.
Video Watermark
Add text or image watermarks with corner/center positions.
Video Speed
Speed up or slow down 0.5x–2x with setpts + atempo.
Video to GIF
Turn a short clip into a GIF with fps/scale limits.
Reverse Video
Reverse playback (video; audio optional, memory-heavy).
Rotate Video
Rotate 90°, 180°, or 270° in the browser.
More from Okay OK
Okay OK is the official home of the OK product family — OK Tools, OK Video, OK Images, and more.
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