Video Speed: Slow & Fast

Speed up a video or slow it down — and know exactly how long it'll be before you commit.

Every other speed app makes you export first to find out. Speed shows you "4:32 → 1:08" the moment you pick a speed.

• 0.25× to 4× — see the new length instantly • Sound is kept and stays in sync; drop it with a tap when it's too fast to listen to • Portrait stays portrait • Works entirely offline. Nothing is uploaded, ever. • No ads. No account. No subscription.