Video Speed Changer
Speed a video up to 3× or slow it to half speed. Audio stays in sync.
✓ Free · No sign-up · No watermark · Files stay on your device
How it works
1Choose your video.
2Pick a speed from 0.5× to 3×.
3Press Start and download the result.
Questions
Does the audio stay in sync?
Yes. The sound is sped up or slowed down together with the picture.
Can I slow a video below 0.5×?
Not in this version. Run the result through the tool again for an even slower clip.