Image Resizer

Resize any image by pixels or percent in the browser and export PNG, JPEG or WebP.

Image Width in pixels Height in pixels Percent (overrides width and height) Keep aspect ratio Output format Quality (0.1 to 1.0)

How to use

Drop in an image, then set a target width, a height, or a percentage and press Resize. The panel reports the resolved dimensions, the pixel count and the output file name, and Save image downloads the result.

FAQ

The image never leaves your device: it is drawn onto a canvas and re-encoded locally, so nothing is uploaded. Using a percentage always scales both edges by the same factor, while typing only a width with keep-aspect-ratio on derives the matching height.

Privacy: every calculation runs inside your browser. Your files and text never leave your device.