Chrome · Edge · Brave · Arc · Opera

Install the Casecomp extension

Auto-joins waiting rooms, runs price comps inline, and checks out for you. Not yet on the Chrome Web Store, load it unpacked in under a minute.

Download latest release View source

Open source · MIT + Commons Clause

Setup

Four steps, one minute

Download the latest release

Grab casecomp-extension.zip from the latest GitHub release and unzip it anywhere on your machine.

Open your browser's extensions page

Paste chrome://extensions into the address bar. Edge, Brave, Arc, and Opera use the same URL.

Enable Developer mode

Toggle Developer mode in the top-right corner.

Load unpacked

Click Load unpacked and select the unzipped casecomp-extension folder. Pin the icon to your toolbar and you're set.

Safe to load unpacked. Casecomp is open source, inspect every line of the extension on GitHub before you install. No telemetry, no accounts, no upsells.

Prefer the API?

Skip the extension and price cards programmatically.

Explore the API →