GIF · GIF

GIF Speed Changer

Change animated GIF playback speed locally with FFmpeg.

Processed locally

FFmpeg loads only when processing starts

GIF Speed Changer

Drop a GIF here. V1 limit: 25 MB.

Speed

Files are processed in your browser with FFmpeg WASM. The selected file is not uploaded to Tool2Do, but FFmpeg core code is downloaded on demand for this tool.

Share this tool

Share the page, not your private inputs.

How to use this GIF tool

Change animated GIF playback speed locally with FFmpeg.

How the GIF logic works

Choose a GIF.
Set a speed multiplier.
Preview and download the processed GIF.

Formula

New duration = original duration / speed multiplier.

Example

Make a GIF twice as fast with a 2x multiplier.

Using the GIF result

Use the output as a practical starting point, then review it before using it in an important workflow.

Assumptions and limitations

Very slow or very fast GIFs may look choppy.
Large GIFs can take significant browser memory.

Frequently asked questions

Does this require an account?

No. The core tool works without creating a Tool2Do account.

Is my input included in share links or analytics?

No. Tool2Do share actions use the tool page URL and safe metadata, not private values or uploaded files.