Change Video Speed
Online Free
Speed up or slow down any video in your browser. Create slow-motion or fast-forward effects for free — no watermark, no installation needed.
Drop your video here
or click to browse your files
Welcome to Edit-Video.Online, the ultimate free video editor designed to work entirely in your browser. Whether you want to trim video online, rotate your clips, adjust video volume, or change video speed, we provide all the tools you need without any software installation. Our platform is 100% free to use, requires no registration, and guarantees that your exported MP4 files will have no watermark.
What sets us apart is our commitment to your privacy. Using advanced WebAssembly and FFmpeg.wasm technologies, your videos are processed locally on your device. This means your files never leave your computer, ensuring absolute security and lightning-fast editing. We support all major formats including MP4, WebM, MOV, AVI, and MKV.
Supported Formats
We support a wide range of popular video formats. No matter what device you used to record, we've got you covered.
How to edit your video online
Three simple steps to perfect your video.
1. Upload File
Select or drag and drop your video file (MP4, WebM, MOV, etc.) into the upload zone.
2. Edit Locally
Use our tools to trim, rotate, flip, change speed, or adjust volume directly in the browser.
3. Export & Download
Save your edited video instantly as MP4 with no watermarks and no quality loss.
Professional features in your browser
Experience desktop-level editing power directly on the web.
Total Privacy
Your files never leave your computer. We process everything locally using WebAssembly.
No Watermarks
We believe your content belongs to you. Exported videos are completely watermark-free.
Fast Processing
Powered by FFmpeg.wasm, edits are applied quickly and reliably right in your browser.
Perfect for everyone
Content Creators
Quickly trim and format videos for YouTube or TikTok. Create engaging content without watermarks.
Social Media
Adjust clips and volume for Instagram Reels or Shorts. Make your videos stand out effortlessly.
Educators
Edit lecture recordings and cut out mistakes easily. Perfect for e-learning and online classes.
Personal Use
Fix family videos that were recorded sideways. Trim long home videos to share the best moments.
Businesses
Prepare professional corporate videos, presentations, and product demos without installing software.
Travel Videos
Combine and edit your vacation footage on the go. Adjust speed for stunning time-lapses.
Event Videos
Edit wedding, concert, or party clips. Easily mute background noise or adjust the volume.
Mobile Footage
Perfectly process videos shot on your smartphone. Rotate vertical videos to landscape format.
Why we stand out
Essential Editing Tools
Everything you need to adjust your videos quickly.
Trim Video
Cut out unwanted parts and keep only the best moments.
Rotate & Flip
Fix videos shot in the wrong orientation easily.
Speed Control
Create slow-motion or fast-forward effects.
Explore all tools
Supported Formats
Perfect for everyone
Content Creators
Quickly trim and format videos for YouTube or TikTok. Create engaging content without watermarks.
Social Media
Adjust clips and volume for Instagram Reels or Shorts. Make your videos stand out effortlessly.
Educators
Edit lecture recordings and cut out mistakes easily. Perfect for e-learning and online classes.
Personal Use
Fix family videos that were recorded sideways. Trim long home videos to share the best moments.
Businesses
Prepare professional corporate videos, presentations, and product demos without installing software.
Travel Videos
Combine and edit your vacation footage on the go. Adjust speed for stunning time-lapses.
Event Videos
Edit wedding, concert, or party clips. Easily mute background noise or adjust the volume.
Mobile Footage
Perfectly process videos shot on your smartphone. Rotate vertical videos to landscape format.
How to Change Video Speed Online for Free
Whether you want to create a satisfying slow-motion video or a time-lapse fast-forward effect, our free online video speed changer makes it simple. Upload your MP4, MOV, AVI, or WebM file, choose a playback speed multiplier (from 0.25x slow motion to 4x fast forward), and export. Everything runs in your browser — no plugins, no sign-ups, no watermarks, and no cloud uploads.
This tool is perfect for content creators who want to add dynamic slow-motion replays to sports highlights, educators who need to speed through long recordings, or social media creators looking to produce eye-catching time-lapses. Powered by FFmpeg.wasm and WebAssembly, our video speed editor works entirely on your device. Your files stay on your computer at all times, making this the fastest and most private way to change video speed online for free.
Edit like a pro
Upload
Select your file.
Select Tool
Choose trim, rotate, or speed.
Apply
Preview and apply changes.
Export
Download your final MP4.
Quick Links
Navigate directly to our specific video tools.
Your videos stay on your device
Using edit-video.online, you can be sure nothing is sent to our servers. Your video files never leave your device. Our editor is built using WebAssembly and FFmpeg.wasm, which means all the video processing happens offline within your browser's memory. This architecture makes our tool 100% GDPR compliant and incredibly secure for handling sensitive or personal videos.
No Cloud Storage
We don't have access to your videos.
No Sign Up
Start editing immediately.
FFmpeg.wasm Engine
WebAssembly Video Processing
const ffmpeg = new FFmpeg();
// Your file never leaves the browser
await ffmpeg.writeFile('input.mp4', fileData);
await ffmpeg.exec(['-i', 'input.mp4', ...args]);
Frequently Asked Questions — Change Video Speed Online
Learn how to speed up or slow down videos online for free, without watermarks.
Ready to edit your video?
Start right now without creating an account.