Speed
Sound
Output: MP4
Next stepTrim videoCut the start or end of a clip
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Start a videoHow to use the change video speed
- Choose a videoAny clip on your computer.
- Pick a speedBelow 1× slows down, above 1× speeds up.
- DownloadThe audio is re-timed to stay in sync.
Questions
Does the voice sound like a chipmunk?
No. The audio is re-timed without changing its pitch.
Can I make a smooth slow motion?
Slowing down repeats frames. For smooth slow motion, film at 60 fps or more and slow to 0.5×.
Is my video uploaded?
No. It is processed in your browser.