Video Speed Changer
Speed up or slow down videos in your browser. Your files stay on your device — nothing is uploaded.
Drop videos here or click to browse
MP4, MOV, AVI, WebM — up to 500 MB each — multiple files supported
100% Private
Your video is processed entirely in your browser. Nothing is uploaded to any server.
No Limits
Change speed on as many videos as you want. No daily limits, no watermarks, no signup.
Powered by FFmpeg
Uses the same FFmpeg technology trusted by professionals, compiled to WebAssembly.