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Image Resizer

Resize PNG, WebP and JPG images to exact pixel dimensions while keeping the original aspect ratio when needed.

How to use this tool

Choose an image from your device.
Enter the target width and height.
Keep aspect ratio enabled unless you intentionally need to stretch the image.
Choose the output format and download the result.

Before and after example

Before

A large source image with its original dimensions.

After

A new image with the selected dimensions and format.

Settings explained

Width and height control the output canvas. Keep aspect ratio prevents stretching. PNG keeps transparency; WebP and JPG can reduce file size.

Frequently asked questions

Will the original file be changed?

No. The original file stays on your device unchanged.

Can I resize a transparent PNG?

Yes. PNG and WebP preserve transparent pixels.

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Privacy of your files

Files selected here are processed in your browser and are not uploaded to PNGimg. The result is created locally and downloaded directly to your device. If you close the page, temporary browser memory used by the tool is released. Do not use any online tool for confidential files unless your own security policy allows it.