Developer tools
Image resize
Resize an image with optional aspect lock, then download a PNG — entirely in your browser.
Your data never leaves the browser.
How it works
- Choose an image from your device.
- Set width and height (lock aspect if needed).
- Download the resized PNG.
FAQ
- Is my image uploaded?
- No. Processing uses Canvas in your browser only.
- Which formats work?
- Common browser-decodable images (JPEG, PNG, WebP, GIF, etc.). Output depends on the tool.