How to use this GIF tool
Resize animated GIFs locally with FFmpeg while keeping the original aspect ratio.
How the GIF logic works
- Choose a GIF.
- Enter target width.
- Download the resized animated GIF.
Formula
Output height is calculated from the original aspect ratio.
Example
Resize a 960 px GIF down to 480 px wide.
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
- This tool rewrites the GIF animation.
- For dimension planning only, use GIF Resize Calculator.
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.