Change Video Speed
Speed up or slow down a video. Adjust playback speed from 0.25x to 4x with synchronized audio.
Drop files here or click to browse
Max 4096.0 MB per file · drop multiple for batch
100% private — files never leave your device
·Free — no sign up, no watermark
How to Use Change Video Speed
- Upload your video file
- Set the speed multiplier (e.g. 2 for double speed, 0.5 for half speed)
- Click Process to change the speed
- Download the speed-adjusted video
Features
- Speed up from 1.25x to 4x or slow down to 0.25x
- Audio pitch is adjusted to match the new speed
- 100% private — files never leave your browser
- Free with no watermark or file size limits
Frequently Asked Questions
- How do I speed up a video?
- Upload your video, set the speed multiplier above 1 (e.g. 2 for double speed), and click Process. The video and audio are both adjusted.
- Can I slow down a video?
- Yes, set the speed multiplier below 1 (e.g. 0.5 for half speed). The video will play in slow motion with synchronized audio.
- Is this speed changer free?
- Yes, completely free with no watermarks or limits. All processing happens locally in your browser — nothing is uploaded.