Image Resizer

Resize any image to exact pixel dimensions with aspect ratio locking — free, private, entirely in your browser.

Choose an image

Width (px)

Height (px)

Lock aspect ratio

Keeping proportions correct

With aspect ratio locked, changing the width automatically recalculates the height (and vice versa) to prevent your image from looking stretched or squashed — the safest default unless you specifically need a non-proportional resize.

Frequently asked questions

With aspect ratio locked, changing the width automatically recalculates the height (and vice versa) to prevent your image from looking stretched or squashed.

Resizing to smaller dimensions typically reduces file size since there are fewer pixels to store, but for maximum compression also try the Image Compressor.