Image Resizer
Resize JPEG, PNG and WebP images to exact dimensions online, with an option to keep the original aspect ratio.
Your image is resized entirely in your browser. It is never uploaded to a server.
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How to use this tool
- 1Choose an image file (JPEG, PNG or WebP).
- 2Enter a target width and/or height — with "Maintain aspect ratio" on, the other dimension is calculated for you.
- 3Click Resize, then download the result.
Features
- Resize JPEG, PNG and WebP images to exact dimensions.
- Optional aspect-ratio lock.
- Runs entirely in your browser — no upload, no wait.
- No account or sign-up required.
Privacy
Your image is resized entirely in your browser using the Canvas API. It is never uploaded to a server.
Frequently asked questions
Is this image resizer free?
Yes, and there is no limit on how many images you can resize.
What is the difference between this and Image Compressor?
Image Resizer changes an image's pixel dimensions (width and height). Image Compressor reduces file size at the same dimensions. Use both together if you need a smaller, resized image.
What file size limit applies?
Files up to 20MB are supported. Since resizing happens in your browser rather than on a server, there's no upload wait either way.
Is my image uploaded anywhere?
No. Resizing happens entirely on your device using the Canvas API — the image never leaves your browser.