Video Speed Changer
Speed up or slow down any video — 0.25x to 4x
🔒 Files never leave your browser
Files never leave your browser
Drop a video file here or click to browse
Supports MP4, WebM, MOV and other browser-supported formats
Processing...
Speed-Adjusted Video
How to Use Video Speed Changer
Upload video
Select or drop a video file.
Set speed
Use the slider to adjust playback speed.
Export
Re-encode at the new speed and download.
Why Choose AllTools Video Speed Changer?
- ✓ 0.25x to 4x speed range
- ✓ Live preview
- ✓ Re-encodes at new speed
- ✓ No upload
- ✓ Works offline
- ✓ Smooth playback
Related Resources
Frequently Asked Questions
Does audio pitch change? ▼
Yes — audio speed changes proportionally with the video.
Is there a file size limit? ▼
No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly.
Which browsers are supported? ▼
All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile.
Can I use this offline? ▼
Yes. Once the page is loaded, the tool works without an internet connection since all processing is local.
Is my data secure? ▼
Yes. Your data never leaves your browser. Nothing is stored on or transmitted to any server.
Does this work on mobile? ▼
Yes. All AllTools tools are fully responsive and work on phones and tablets.
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