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400×400

Resize image to 400×400

Fit or fill to 400×400 pixels — profile pictures and avatars on forums, social platforms and chat apps.

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Drop your image here, or click to browse

JPG, PNG, WebP, GIF, BMP or AVIF

🔒 100% private — files are processed in your browser and never uploaded to any server.

Frequently asked questions

How do I resize an image to 400×400?

Drop it in — 400 and 400 are already set — choose Fit or Fill, and download. No manual cropping needed.

Is my image uploaded?

No — resizing happens in your browser and the file never leaves your device.

Where 400×400 is used

400×400 is the standard size for profile pictures and avatars on forums, social platforms and chat apps.

Fit or fill?

Crop to a centred headshot before resizing for the most flattering avatar, then use "Fill" to lock in the exact square.

Need a different size? The image resizer accepts any custom width and height.