Ready to Automate Your Growth?
Join 30,000+ creators and brands using InstantDM today.
Get Started NowAny support required, we're just one click away.
Meta Business Partner
100% Official API
Reels Speed Changer
Speed up or slow down your videos — free, instant, no signup.
Change playback speed for Reels, Shorts, and video clips directly in your browser.
Upload Your Video
Click or drag your video here MP4, MOV, AVI, WebM — up to 500MB
Powered by InstantDM •
Meta Official Business Partner 100% client-side
No uploads to server
Works in browser
HOW IT WORKS
Change Video Speed in 3 Easy Steps
No software to install, no uploads, no waiting
1
Upload Your Video
Drag and drop your video file or click to browse. Your video stays on your computer.
2
Choose Your Speed
Select from 0.5x slow motion to 2x fast forward. See the new duration instantly.
3
Download Your Video
Click Change Speed and get your speed-adjusted MP4 instantly. No signup, no watermarks.
FEATURES
Everything You Need to Change Video Speed
100% Private
Your video never leaves your device. All processing happens in your browser with FFmpeg.wasm.
Lightning Fast
Change video speed instantly. No server upload means no waiting for processing.
5 Speed Options
Choose from 0.5x, 0.75x, 1x, 1.5x, or 2x playback speed to get the perfect effect.
See New Duration
Instantly see how long your video will be at the new speed before you process it.
All Formats Supported
Works with MP4, MOV, AVI, WebM, and more. Outputs to universal MP4 format.
100% Free
No hidden fees, no watermarks, no signup required. Completely free forever.
FAQ
Frequently Asked Questions
No! All video processing happens entirely in your browser using FFmpeg.wasm. Your video never leaves your device, making this completely private and secure.
You can upload MP4, MOV, AVI, WebM, MKV, and most other common video formats. The output is always MP4, which works everywhere.
The tool supports videos up to 500MB. For larger files, you may need to wait a bit longer for the browser to process them.
The tool uses FFmpeg's atempo filter for audio and setpts filter for video to maintain the best possible quality while changing speed. Audio pitch is preserved at normal speeds but may slightly change at extreme speeds.
No watermarks, ever. Your speed-changed video is exactly as you created it, with no branding or InstantDM marks.
Explore More Free Tools
Caption Generator
AI-powered captions for your posts.
Reels Cutter
Cut your videos to perfect length.
Safe Zone Checker
Check if your Reels text is visible.
Hashtag Generator
Find the best hashtags for reach.
Reels to Audio
Extract MP3 from any video.
Reels Looper
Create seamless loop videos.
Reels Resizer
Resize to 9:16, 1:1, 4:5, and more.
Real Stories from Real Customers
See what creators and brands are saying about InstantDM
