Video Speed Changer
Speed up or slow down a video and its audio.
No files selected
Accepted files: .mp4,.mov,.mkv,.webm,.avi. Choose one file. Up to 20 MiB in total.
Browser processing keeps files on this device. Server processing is currently unavailable. Adjusts video timing and audio speed together, preserving audio pitch. Up to 1,000,000 characters. Review the settings before running.
Your result
How to use Change video speed
- Choose a file in MP4, MOV, MKV, WEBM or AVI.
- Review the settings, then choose Run Change video speed.
- Review the result, then use Copy result or a download link when available.
Useful next steps
What to expect
Speed up or slow down a video and its audio. Browser processing keeps files on this device. Server processing is currently unavailable. Adjusts video timing and audio speed together, preserving audio pitch.