pii-airlockUse AI without sharing real personal data

Names, emails, phone numbers and passwords are swapped for placeholders before your text leaves your computer, then put back in the answer.

Get started in 5 minutes

What is it?

🔒

Stays on your computer

Detection runs locally. The AI provider only ever sees placeholders such as .

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Reversible

The answer comes back with your real names and emails in place, so you read it as usual.

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Works with your tools

Claude Code, GitHub Copilot, Cursor, Codex, Aider, Continue and anything that lets you set a base URL.

🛠️

You decide what counts

Tell it which words are never sensitive (your company) or always sensitive (a code name), in one command.

See it in one picture

text

You write:            Email John Smith (john@acme.com) about the invoice.
The AI receives:      Email <PERSON_482913> (<EMAIL_ADDRESS_093117>) about the invoice.
The AI answers:       Dear <PERSON_482913>, regarding the invoice…
You read:             Dear John Smith, regarding the invoice…

New here?

Read What is pii-airlock?, then follow the Quick start. You do not need to know Python. You do need to be comfortable pasting a few commands into a terminal.