KOMMANDR OS

Install the Chrome Extension

The extension is the engine — it runs your listings, deal scans, and buyer replies right inside Chrome. Takes about a minute, no Chrome Web Store needed.

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Kommandr OS Extension
Version 3.32.4 · Chrome & Edge · ~130 KB
⬇ Download
Install in 4 steps
1
Download & unzip
Click Download above, then unzip the file. You'll get a folder named chrome-extension-latest containing manifest.json and the extension files. Remember where it is — keep it somewhere permanent like your Documents folder (deleting it removes the extension).
2
Open Chrome's extensions page
In Chrome, go to — paste it into the address bar and press Enter. (On Edge, use edge://extensions.)
3
Turn on Developer mode
Flip the Developer mode switch in the top-right corner of that page to ON. A new row of buttons appears.
4
Load it
Click Load unpacked, then select the unzipped chrome-extension-latest folder (the one with manifest.json inside). Kommandr OS now shows up in your extensions list. Click the puzzle-piece icon in Chrome's toolbar and pin it so it's always one click away.
✅ It connects itself

The moment you load it, Kommandr OS opens your dashboard and pairs the extension to your account automatically — as long as you're signed in. No keys to copy, no setup. To add Facebook Marketplace, just visit it while logged in, click the extension, and hit Capture Session. (OfferUp doesn't use the extension — connect it in the app at Connect OfferUp with your email & password.)

Go to my dashboard →

This is the official Kommandr OS extension, distributed directly to members while our Chrome Web Store listing is in review. Developer mode is Google's built-in, supported way to install it — the same method used by every developer building Chrome extensions.

Trouble installing?