Guides to using AI without sharing private details

Plain answers on masking, redaction, and AI privacy. Each guide shows when it was last reviewed.

Before you share with AI

Questions to settle before a document goes into an assistant.

Compare tools

What each kind of tool asks of you, and where it fits.

  • PHI Mask vs. free redaction tools

    Every free redactor makes you find the identifiers yourself. What Adobe, Preview, PDF24, Stirling, and LibreOffice document, and where detection changes it.

  • PHI Mask vs. browser privacy extensions

    Prompt-scrubbing extensions act on the chat box; document masking acts on the file. Where each one's coverage ends, and why running both is reasonable.

  • PHI Mask vs. redaction software

    A model, a cloud API, an SDK, and a subscription all redact. What each asks you to stand up first, and which of them read a screenshot.