Speed up or slow down a video
Make a video up to 4 times faster or turn it into slow motion. The sound keeps its pitch.
Your video stays on your device and is never uploaded.
How it works
Choose your file
Drag and drop a video or pick one from your device.
Pick a setting
Pick a speed. Below 1 slows down, above 1 speeds up.
Download
When it's done, your file downloads in one click.
What this tool does
Speed up a long video into a short recap, or make recipe and drawing videos easier to watch. Slowing down gives sports moves and special moments a slow motion effect.
The audio follows the new speed without changing pitch, so voices don't sound squeaky when sped up or deep when slowed down.
Frequently asked questions
Normal videos look smooth at 0.5x. For smoother slow motion, record with your phone's slow motion mode.
Yes, choose Remove under Sound and the video is saved without audio.
No. Everything runs in your browser, on your own device. Your file is never sent anywhere.