Make a slow motion clip
Slow a clip to 0.75x, 0.5x, 0.25x or 0.1x and see the new length before you start. Runs in your browser, free, no account — a speed change leaves the clip silent.
Result right hereDrop a video here, or click to choose
MP4 · MOV · MKV · WebM · audio · images · subtitles · ZIP
The moment worth showing often lasts a fraction of a second: the ball leaves the bat, the dog jumps, the lid pops. Slowing it down is how anyone gets to see it.
Only the slow presets are offered here, because that is what this page is for. At 0.25x a two-second moment stretches to eight.
Slowing down does not invent frames — it holds each one longer. Footage shot at a high frame rate slows far more gracefully than ordinary 30fps video.
FAQ
Why does very slow footage look choppy?
Because there were not many frames to begin with. Slowing 30fps footage to 0.1x shows each frame for a third of a second. Shoot at 120 or 240fps and the same slowdown stays smooth.
Is there sound afterwards?
No. Matching audio to a new speed needs block-by-block resampling, which the browser cannot finish. The full editor keeps the sound.
Can I slow just one moment?
Trim to that moment first, then slow it. Slowing part of a clip in place is a timeline job.
Does it add frames in between?
No. Generating in-between frames is an entirely different technique and is not something this page does.
How long will it take?
Roughly as long as the output, since every frame is re-encoded. A two-second clip at 0.25x produces eight seconds of video.