Speed up or slow down any video — free, private, no upload needed
Best experience on desktop Chrome or Edge. Some features may be limited on mobile browsers.
Drag & drop your video file. Processing happens in your browser — nothing is uploaded to any server.
Pick a preset (0.25x to 4x) or fine-tune with the slider. Preview the result duration in real time before processing.
Hit "Start Processing" and wait. Once done, download your speed-adjusted video instantly.
Presets from 0.25x to 4x, plus a custom slider for exact values. Fine-tune your speed precisely.
Audio pitch stays natural at any speed. Or remove it entirely for silent slow-motion effects.
See exactly how long your result will be before processing. No surprises.
Everything runs in your browser. Files never leave your device.
Completely free, no account needed, no watermark, no usage limits.
Upload your video, select a speed preset (like 2x or 4x) or use the slider, and click Process. Your sped-up video downloads as MP4.
Yes. Select 0.5x or 0.25x to slow your video down. Note that slowing a standard 30fps video below 0.5x may look choppy since no new frames are generated.
Audio pitch is preserved at the new speed by default. You can also choose to remove audio entirely, which is common for slow-motion effects.
You can speed up to 4x (four times faster) or slow down to 0.25x (four times slower).
The tool handles files up to 500MB. Processing happens entirely in your browser.
No. All processing runs locally using FFmpeg WebAssembly. Your files never leave your device.