GACS Research Team

GACS browser tool

One-click scam check, anywhere.

Drag the button below to your bookmarks bar. On any suspicious site, DM, or pitch — one click runs it through GACS Guardian Angel.

🛡️ Check with GACS

⬆ Drag this to your bookmarks bar

How to install

Make sure your bookmarks bar is visible.Chrome / Edge / Brave: Ctrl/Cmd + Shift + B · Firefox: View → Toolbars → Bookmarks
Drag the green 🛡️ Check with GACS button above onto your bookmarks bar.
Visit any suspicious site, message, or pitch.
Click the bookmark — GACS opens with the page (or selected text) ready to scan.

What it does

If you've selected text (e.g. a DM, a pitch), it sends the selection.
Otherwise it sends the current page URL.
Opens a new tab on gacs.app/guardian with the content pre-loaded.
Works on every site — including Telegram Web, Gmail, Twitter/X, WhatsApp Web.

On mobile?

Bookmarklets don't work in mobile browsers, but you can install GACS as a PWA and tap the icon to launch Guardian Angel anytime. Or share suspicious messages directly from your share sheet to your GACS shortcut.

Want to share this with a friend?

The bookmarklet has saved real money. Send the install page so they have it before they need it.