Speed Up a Tutorial or Lecture

Make a recorded lesson quicker to get through.

Aucune connexion requiseLes fichiers restent privés

Déposez des fichiers ici ou cliquez pour parcourir

MP4, WebM, MOV, AVI, Video aucune limite de taille de fichier

Parcourir les fichiers

Vos fichiers ne quittent jamais votre appareil. Tout le traitement se fait localement dans votre navigateur.

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.

Choisir un fichier

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

Traiter

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

Télécharger

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

✓Entièrement gratuit — sans coûts cachés, jamais

✓Aucun compte, e-mail ou connexion requis

✓Les fichiers ne quittent jamais votre appareil

✓Aucune limite de taille de fichier

✓Aucun filigrane sur aucun résultat

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