Stand-In

Your AI sees a stand-in. You keep the real thing. Swap private details for placeholders before a document goes into ChatGPT, Claude or Gemini, then paste the answer back to get the real details restored.

AboutRuns on this device · nothing is uploaded
Detection is a safety net, not a guarantee. Read the highlighted review before you send anything. Dashed likely name items are guesses from common first names, so check those first.
STEP 1

Load a document and review

Click any highlight to leave it unmasked.

Look for Names, contact, IDs, cards, accounts
Sample · fictional
Drop a file: PDF (scans too), a photo of a form, Word (.docx), Excel (.xlsx, .csv) or text.
Found
    Always mask
    Audit entry
    STEP 2

    Copy the masked version into your AI

    STEP 3

    Paste the AI's answer to restore the details

    AI's answerSample reply
    With real details
    Coming back later?Using this document's key

    Save the key

    Locks the placeholder key with a passphrase and copies it as text. Keep it in your notes or file; it's unreadable without the passphrase.

    Open a saved key

    Paste a locked key to restore an AI answer days later, without the original document.

    Stand-In Pro

    Only the key is sent to check it. Your documents never are.

    Get Pro: $9/month, $79/year or $99 lifetime