Change GIF Duration
Rescale every frame delay so the whole animation plays for a chosen total number of milliseconds. Runs entirely in your browser, so your data never leaves your device.
Drop a file here, or click to browse
Files never leave your device
Output
The result appears here as you type.
How to use Change GIF Duration
- 1. Drop in the GIF to retime. Add a .gif to the input. The tool measures the animation's current total runtime from its stored frame delays before rescaling anything.
- 2. Enter the Total duration. Type the target length into Total duration (ms), for example 2000 for two seconds. Every frame delay is scaled by the same factor, so relative pacing between frames is preserved exactly.
- 3. Download the retimed animation. Save the result and time it against your requirement. A loop stretched to fit a slide transition or squeezed into an ad slot now lands on the length you specified.
When to use Change GIF Duration
Change GIF Duration rescales all of an animation's frame delays so the full loop plays for an exact number of milliseconds. Instead of guessing at a speed multiplier and re-checking, you state the runtime you need and the tool computes the timing, keeping the animation's internal rhythm intact.
- Hitting a strict ad-slot length. A programmatic ad spec caps animation at exactly 5 seconds. Entering 5000 ms guarantees the creative complies, whatever odd duration the designer originally exported.
- Syncing a loop to music or narration. A looping visual should complete one cycle per bar of a 120 BPM track. Setting the duration to 2000 ms locks the animation to the beat without trial and error.
- Matching several GIFs to one runtime. Three feature loops on a pricing page should all cycle together. Normalizing each to the same total duration makes them start and finish in unison down the row.
Examples
Stretch to 2 seconds
Input
clip.gif + 2000 ms
Output
clip.gif with all frame delays scaled so it lasts 2 seconds
About the Change GIF Duration tool
Change GIF Duration is a free online tool that works entirely inside your web browser. Rescale every frame delay so the whole animation plays for a chosen total number of milliseconds. Because the processing happens on your own device, nothing you enter is uploaded, logged or stored anywhere.
This page is one of 110 GIF utilities on EditSafely. Each one does a single job well, and all of them follow the same rule: your input stays on your machine.
You can shape the output with the Total duration (ms) setting, and the result refreshes the moment you change it. The finished file is put together in browser memory and saved with the Download button, so it never touches a server on the way to your disk. A worked example further down the page shows exactly what the tool produces for a real input.
Because nothing leaves your device, the tool is suitable for sensitive content such as internal documents, credentials or customer data. It also responds instantly, since every keystroke is handled on your own machine rather than by a remote API.
Frequently asked questions
Is Change GIF Duration free to use?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Are my files uploaded to a server?
Everything happens locally. Your browser downloads the tool's code once, then does all the processing itself; nothing you enter is transmitted, stored or logged. You can even go offline after the page loads and it will still work.
Which files does Change GIF Duration accept?
It accepts GIF animations. There is no file size cap imposed by a server; very large files are limited only by your device's memory.
Do I need to sign up or install anything?
No. The tool works in any modern browser on desktop, tablet or phone. There is no account to create, no extension to add and no software to install.
How do I save the output?
Click the Download button once the result is ready. The file is built in your browser's memory and handed straight to your downloads folder, without passing through a server.
Related tools
All GIF Tools →Pause a GIF
Hold on one frame by extending its delay, creating a pause before the animation continues.
Randomize GIF Frames
Shuffle the frame order of an animated GIF into a random sequence for a chaotic playback.
Add Fade-in Effect to GIF
Ramp brightness up from black across the animation so the GIF fades in from darkness.