Slow Motion & Fast Video Speed

Make slow-motion or speed-up videos in seconds. Export at 0.25x–4x, keep or mute audio. Pro adds unlimited exports and pitch lock. Fully offline, no ads, one-time ¥300.

A simple app for changing the playback speed of your videos and saving them directly to your Camera Roll.

Built for anyone who wants slow-motion or speed-up clips without the hassle. Pick a speed, export, done.

【What this app does】 · Export at 0.25x, 0.5x, 0.75x, 1.5x, 2x, or 4x speed · Three audio modes: muted, speed-linked, or pitch-preserved (Pro) · Up to 1 video per day free; Pro (¥300) unlocks unlimited exports · Fully offline — your videos never leave your device · No ads

【Pro plan】 One-time ¥300 unlocks: · Unlimited exports · Pitch-preserved speed conversion (keeps voices sounding natural) · No subscription, ever

【Privacy】 All processing happens on-device. No network requests. No uploads.