Image Resizer
Files & ImagesResize an image to an exact width and height, with optional aspect lock.
Calculated Result
Open an image
Formula: drawImage onto a new canvas size
About this calculator
Type a target width. Height follows if the lock is on. Unlock to stretch. Output can be PNG or JPEG.
How It Works & Formula
FormulaDraw to a new width × height, lock aspect unless unlocked
drawImage scales the bitmap onto a canvas of the target size.