Can I keep aspect ratio?

Yes. Lock proportions or enter custom width and height.

Does resizing reduce file size?

Smaller dimensions usually mean smaller files. Pair with Compress Image for best results.

Yes. Resize images online free with Korisa.

Resize images online by exact pixels or scale. Free image resizer for JPG, PNG, and WebP in your browser.

Images

Runs entirely in your browser — files stay on your device.

Preview updates with your target size

Drop an image to resize

Keep aspect ratio or set exact pixels

Pixels

Width

Height

Aspect lock on

How dimensions are applied

Change image width and height with precise controls for thumbnails, avatars, and product shots.

Keep aspect ratio or set exact dimensions — processed privately on-device.

Can I keep aspect ratio?: Yes. Lock proportions or enter custom width and height.
Does resizing reduce file size?: Smaller dimensions usually mean smaller files. Pair with Compress Image for best results.
Is the image resizer free?: Yes. Resize images online free with Korisa.