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GACS Scam Shield

The free browser extension that warns you the second you land on a known scam site. Powered by thousands of community reports.

Works with Chrome, Edge, Brave, Arc, Opera, and any Chromium browser.

Install in 60 seconds

  1. 1.Unzip the downloaded gacs-extension.zip file.
  2. 2.Open chrome://extensions in your browser (Edge: edge://extensions).
  3. 3.Enable Developer mode (toggle in the top-right).
  4. 4.Click Load unpacked and select the unzipped folder.
  5. 5.You're protected. The shield icon turns red the moment you visit a flagged site.

Real-time warnings

A red banner appears immediately on any blacklisted page, with a link to the full GACS report.

Zero tracking

Only the bare hostname is sent for a lookup. No accounts, no history, no analytics on you.

Open source · v1.0.0 · Manifest V3