Can I slow down and speed up videos?

Yes. You can choose presets from slow motion (0.5×) to faster playback (2×).

Does this keep audio in sync?

Yes. Video timing and audio tempo are adjusted together for synchronized output.

Follow it on your dashboard, then download when the MP4 is ready.

Yes. Change playback speed online for free without an account.

Yes. Sign in to run the tool. How-to steps and FAQs on this page stay public.

The original video is deleted after the speed change. Download the result from your dashboard before it expires (about 30 days).

Cloud

Create smooth slow-motion or timelapse effects. Choose a speed factor, then download from your dashboard.

Formats	MP4 · MKV · MOV · AVI
Tool	Video Speed Changer

Upload your video, pick a speed preset, then run the job. Download from your dashboard when ready.

Can I slow down and speed up videos?: Yes. You can choose presets from slow motion (0.5×) to faster playback (2×).
Does this keep audio in sync?: Yes. Video timing and audio tempo are adjusted together for synchronized output.
How do I get my file?: Follow it on your dashboard, then download when the MP4 is ready.
Is Video Speed Changer free?: Yes. Change playback speed online for free without an account.
Do I need an account?: Yes. Sign in to run the tool. How-to steps and FAQs on this page stay public.
Is my video private?: The original video is deleted after the speed change. Download the result from your dashboard before it expires (about 30 days).

The video is uploaded so we can change playback speed. The original is deleted after processing. The result stays on your dashboard about 30 days.