Source / Preview Deck
Upload a video, trim range, place markers, then export cuts.
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Drop video file hereSupports MP4, MOV, WebM, M4V. Output is recorded in-browser as WebM for broad compatibility.
Click the timeline to move the playhead. Shift+click adds a marker. Keyboard: Space play/pause, M marker, [ trim start, ] trim end.
Edit Timeline / Marker Matrix
Visual guide for trim bounds, cuts, and playhead.
Click or Shift+Click
Current
00:00.000
Duration
00:00.000
Trim Start
00:00.000
Trim End
00:00.000
The editor previews cuts with a stylized luminance stripe rather than a full decoded strip for performance. Export uses browser re-recording, so quality and codecs depend on your browser.
Render / Segment Controls
Trim single clip or split into multiple files by marker count.
Export = WebM
Trim Range
Recording Mode
Marker Ops
Marker list format: 2.5, 9.2, 12.0
Export
Segments are produced from trim start → markers → trim end. Example: 3 markers inside the trim range creates 4 files.
Output / Marker List
Download finished segments and inspect exact cut times.
Idle