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Image Resizer

Resize images to exact pixels or a percentage, with aspect ratio lock.

Loading tool

This tool runs in your browser. Nothing is uploaded.

About Image Resizer

Image Resizer changes the pixel dimensions of an image. Enter a width, a height or a percentage, and the aspect ratio stays locked unless you unlock it.

For profile pictures, marketplace listings, email headers and any form that demands exact dimensions.

What it does

  • Pixel or percentage sizing
  • Aspect ratio lock
  • High-quality smoothing when downscaling
  • Keeps the original format where possible

How to use Image Resizer

  1. Choose an image.
  2. Enter the new width, height or percentage.
  3. Select Resize.
  4. Download the resized image.

Frequently asked questions

Can I make an image larger?

Yes, but enlarging cannot add real detail, so upscaled images look softer.

What happens to GIF animation?

Only the first frame is resized, and the result is saved as PNG.

Limits and privacy

Animated GIFs lose animation. Maximum size depends on your browser canvas limits.

Everything happens on your device, so your content never reaches our server.

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