Fast stream copy
The video is not re-encoded, so compatible files are processed quickly without quality loss.
Video trim
Trim a video without re-encoding
Preview a local video, choose a start and end time, and create a fast clip in your browser.
Choose and preview
Local video trimmer
Fast MP4 clip
Tracks are copied without re-encoding. Cut points may align to nearby keyframes.
Keyframe-aligned cuts
Fast trimming can begin at a nearby keyframe rather than the exact requested frame. Precise re-encoding is a later enhancement.
Local preview and output
The preview, source and generated clip remain in this browser tab.