Most AI-privacy tools redact on their servers — your data still leaves your machine. ONYRI Sanitize doesn't: detection, masking and restoration run 100% in your browser, and the token↔value mapping never touches a server. 0 bytes of sensitive data ever leave. What stands out: • Reversible tokens, not black boxes — the AI keeps context; you restore values in place • 38 detectors, 6 families: names to API keys, salaries to cloud secrets • Text, CSV/Excel + built-in Chat for GPT, Claude & Mistram