Speed Up a Tutorial or Lecture

Make a recorded lesson quicker to get through.

No login requiredFiles stay private

Drop files here, or click to browse

MP4, WebM, MOV, AVI, Video no file size limit

Browse files

Your files never leave your device. All processing happens locally in your browser.

Speed up or slow down a video (0.25×–4×), with pitch-corrected audio. Runs entirely in your browser.

tutorials tips

🎙️

1.5× keeps speech clear (pitch is corrected) while cutting watch time by a third.

🎓

Great for condensing long recorded lectures or webinars.

⏱️

Try 2× for material you're reviewing rather than learning fresh.

🔒

Your recording stays on your device.

Choose File

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

Process

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Download

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓Completely free — no hidden costs, ever

✓No account, email, or login required

✓Files never leave your device

✓No file size limits whatsoever

✓No watermarks on any output

Make a Slow-Motion Video

Slow a clip down to 0.25×–0.75× for dramatic slow

Speed Up a Video / Timelapse

Fast-forward a long clip to 2×–4× for a timelapse

Speed-Ramp a Clip for Social

Speed a clip up to fit a short-form slot and grab

Slow a Video Down to Analyse It

Slow footage to study a movement or moment frame b