Image Resizer

Resize any image to exact pixel dimensions or fit it within a target size. Keep the aspect ratio, choose PNG, JPEG or WebP, and download the result — all locally.

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About this tool

Resize images to exact pixel dimensions or a percentage of the original, with aspect-ratio lock. Supports PNG, JPEG, and WebP — and it's 100% client-side, so your files never leave your device.

Sizing images for the web or a platform's limit usually means opening an editor. This resizer lets you target specific dimensions or scale by percentage, and it preserves the aspect ratio to avoid distortion. The Canvas API does the work locally, so resizing is fast and private.

Why use it

Precise, distortion-free resizing with no uploads and no accounts — ideal for fitting images to avatars, hero banners, and platform requirements.

How it works

  1. Add the image you want to resize.
  2. Enter target dimensions or a percentage, keeping aspect ratio.
  3. Download the resized image.

Frequently asked questions

Are my images uploaded?

No — resizing happens locally in your browser via Canvas.

Can I resize by percentage?

Yes, scale to any percentage while preserving the aspect ratio.

Which formats work?

PNG, JPEG, and WebP are supported for input and output.

All processing on this page happens locally in your browser — your files are never uploaded to a server.

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