Video Speed Changer
Last updated: June 1, 2026In-browserSpeed up or slow down a video.
Video Speed Changer is a free online tool to speed up or slow down a video. It runs entirely in your browser, so your files never leave your device — nothing is uploaded. There's no sign-up, no watermark, and it works on any modern browser on desktop or mobile.
How to use Video Speed Changer
The Video Speed Changer speeds up or slows down a clip from 0.5x to 2x with the audio kept in sync — perfect for slow-motion moments and fast timelapses. It runs in your browser, so it's private and free with no watermark and no sign-up.
Read the full guide: How to Speed Up or Slow Down a Video (Free)
- 1Drop in your video.
- 2Choose a speed from 0.5x (slow motion) to 2x (fast/timelapse).
- 3Export and download the new clip.
Slow-mo and timelapse
Drop to 0.5x for dramatic slow motion or push to 2x for a snappy timelapse.
Audio stays in sync
The soundtrack is adjusted with the video so it never drifts.
Private and free
Speed changes run on your device with no upload and no watermark.
Video Speed Changer — frequently asked questions
How do I speed up or slow down a video?
Drop the video in, pick a speed between 0.5x and 2x, then export the new clip.
Does the audio stay in sync?
Yes — the audio is re-timed along with the video so they stay aligned.
Can I make a slow-motion video?
Yes, choose 0.5x for half-speed slow motion.
Is it free with no watermark?
Yes, completely free and watermark-free.
Are my videos uploaded?
No, everything runs in your browser.
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