Image Resizer
Image Resizer changes the width and height of your images right in your browser — set exact pixels or a percentage, keep the aspect ratio, and download as PNG, JPG or WebP. It is free to use, needs no login, and runs entirely in your browser — your images are never uploaded anywhere.
Key features
- Resize by exact pixels or by percentage, from 1% to 200%.
- Keep the aspect ratio with one click so images never look stretched.
- Download as PNG, JPG or WebP, with quality control for JPG and WebP.
- Runs fully in your browser — your images stay on your device.
How to use
- Open Image Resizer using the button above.
- Attach the image you want to resize.
- Choose exact pixels or a percentage, and pick your output format.
- Download the resized image to your device.
Frequently asked questions
Is Image Resizer free?
Yes. It is completely free to use and you do not need to create an account or sign in.
Are my images uploaded anywhere?
No. The tool runs in your browser, so your images are processed locally on your own device and are not uploaded to or stored by the site.
Which formats can I download?
You can download the resized image as PNG, JPG or WebP.