Experimental extension

Add PasteGuard to your browser

Mask names, emails, secrets, and customer data inside ChatGPT, Claude, and Gemini before they reach the AI provider.

Masked before it reaches the AI

Firefox

Experimental build

Signed add-on · v0.1.6 · Firefox 140+

Opens Firefox's install prompt

Experimental build

From the Web Store · Edge, Brave & Arc too

Opens the Chrome Web Store

The PasteGuard server is open source (Apache 2.0); the extension source is planned to be published on GitHub after the beta stabilizes.

Trouble installing? Email us or open a discussion.