Privacy, between copy and paste.
Auto-detect and mask sensitive data before pasting into ChatGPT, Claude, or Gemini. All in your browser.
Three simple steps
STEP 1
Paste
Just paste your text. No file upload needed.
STEP 2
Review
Names, emails, phones, SSNs detected automatically. Review before use.
STEP 3
Copy
Copy the masked text and safely paste it into any AI tool.
Why it's safe
Local-first processing
Detection runs in your browser. Text is not sent to our servers.
Works offline
PWA-enabled. Works without an internet connection.
No account needed
No login, no tracking, no cookies.
20+ entity types detected
Names, emails, phones, SSNs, credit cards, IBANs, addresses, VINs, and more.
Sharing code instead?
Use Code Sanitization to replace API keys, tokens, and internal URLs.
Open Code Sanitization