Guides
Guides & resources
How to remove personal data before using AI or sharing files with PII Shield — practical tasks, answers to common questions, guidance by profession, and a plain-language reference.
Tasks & how-to
- Anonymize documents before ChatGPT Remove PII before pasting into ChatGPT, Claude or Gemini — then restore locally.
- Remove personal data from audio Transcribe and redact names and numbers from recordings, on your own computer.
- Redact Word, PDF & Excel Remove personal data from office documents locally, with a reversible mapping.
Questions
- Is it safe to use ChatGPT with confidential data? What happens when you paste, and the safe way to do it.
- Does ChatGPT store your data? How retention and training work — and how to stay out of it.
- Use AI without breaking the GDPR Data minimization as a practical pattern for AI tools.
By profession
- For law firms Use AI and share documents without breaching client confidentiality.
- For healthcare & therapists De-identify patient data locally before AI or sharing.
- For accountants & consultants Anonymize client financials before AI or sharing.
Compare & reference
- Local vs cloud PII redaction Why on-device processing is safer for confidential files.
- What is PII? Types and examples A plain-language reference to PII, PHI and personal data.