Change Video Speed Online

Speed up or slow down your video from 0.25x to 2x

Choose Video File

or Drag & Drop Your Video Here

Drop video file here

Supported formats: MP4, AVI, MOV, WMV, FLV, MKV

Change video speed

1.00x

Mute video

Changing video speed...

Video Speed Changed Successfully!

Your video has been re-timed. Preview it below or download it.

How it works?

Upload video

Select your video or drag & drop it above

Pick speed

Drag the slider or pick a preset (0.25x – 2x)

Choose audio

Keep the muted default for slow-mo, or uncheck to keep audio

Download

Download your re-timed video as MP4

Why use this tool?

Safe & Secure

Files are encrypted during transfer and automatically deleted within 1 hour. Your videos are never stored or shared.

No Installation

Works in any browser on any device. No software to download, no accounts to create.

Free to Use

No signup required - free tier with optional Premium upgrade

Fast & Easy

Get your re-timed video in seconds — perfect for slow-mo, time-lapse, and tutorials.

Easy to Use

Easy to use - simple drag & drop interface

Audio In Sync

When you keep audio, we re-time it to match the new playback speed without the chipmunk effect.

Frequently Asked Questions

Audio is re-timed by FFmpeg's atempo filter, which keeps pitch reasonable. For extreme slow-mo (below 0.5x) we recommend muting — that's why the mute checkbox is on by default.

Your re-timed video is delivered as a high-quality MP4 file (H.264), compatible with all devices and platforms.

Yes — pick 0.25x, 0.5x or 0.75x to slow your clip down. Note that the source frame rate limits how smooth the result looks.

Speed-shifted audio (especially slowed) often sounds odd. Muting gives a clean result. Uncheck the box if you want to keep the audio.

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