About this tool
Resize Image lets you set precise width and height in pixels, with an optional locked aspect ratio to prevent distortion. Everything runs in your browser — your image is never uploaded to a server.
How it works
- 1Upload any image and the original dimensions are shown instantly.
- 2Enter your target width or height in pixels.
- 3Toggle the aspect ratio lock to keep or ignore proportions.
- 4Download your resized image as a PNG at the exact size you specified.
Common use cases
- ✓Resizing images for email attachments
- ✓Preparing assets for web development
- ✓Fitting images to CMS upload requirements
- ✓Creating consistent product image sizes
Privacy first. Resize Image runs entirely inside your browser using the HTML5 Canvas API. Your images are never uploaded to any server, stored anywhere or shared with third parties. Everything happens locally on your device.
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