Browser

UnderKb extension

Toolbar shortcuts to every UnderKb job. Right-click an image to open Compress. The photo still drops on the website — ads stay there, which Google AdSense allows.

The Web Store listing is not public yet. In chrome://extensions turn on Developer mode and Load unpacked from the GitHub folder extension/.

extension/ on GitHub

What it does

1. Toolbar

   Compress, WebP, resize, remove background, palette — each button opens the matching page.

2. Right-click

   On an image, Compress with UnderKb.

Use the website