Change Video Speed Online
Speed up or slow down any video from 0.25x to 4x with synchronized audio. Free online video speed changer.
Drop files here or click to browse
Max 10240.0 MB per file · drop multiple for batch
100% private — files never leave your device
·Free — no sign up, no watermark
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How to Use Change Video Speed Online
- Upload the video you want to speed up or slow down
- Drag the speed slider to your desired speed (0.25x–4x)
- Click Process to change the video speed
- Download the speed-adjusted video
Features
- Speed up video from 1.25x to 4x for time-lapse effects
- Slow down video from 0.25x to 0.75x for slow motion
- Audio pitch adjusts automatically with speed changes
- Supports MP4, MKV, MOV, AVI, WebM
Frequently Asked Questions
- How do I speed up a video?
- Upload your video, move the speed slider above 1x (e.g. 2x for double speed), and click Process. The audio will speed up proportionally.
- Can I slow down a video to create slow motion?
- Yes. Set the speed to 0.5x for half speed or 0.25x for quarter speed. Audio pitch adjusts automatically.