Sovereign Shield is no longer maintained (frozen September 2026). The extension keeps working as-is but will not be updated, not even for security fixes. Details in the README on GitHub.

Leak Radar

Drop a file or paste text — see exactly what personal data you'd be handing a cloud LLM. It's scanned in your browser by the same deterministic engine as the gateway: nothing is uploaded, no API, no keys.

Drop a file here — or paste text below
.pdf · .txt · .csv · .json · .md · .log · .eml — never uploaded, read in your browser

Nothing is uploaded. Detection is the same deterministic engine the sovereign-shield library runs, compiled to run in your browser — no server, no API key.