Privacy Null
Remove Sensitive Data from Code
Automatically find and mask passwords, API keys, tokens, and other sensitive info in your code.
Runs locally. Nothing uploaded.
Features
Auto-detect 25+ types of sensitive data
Works with config files, logs, and code
Reversible - restore original values anytime
No signup required, completely free
Frequently Asked Questions
What types of sensitive data are detected?
We detect passwords, API keys (OpenAI, AWS, Stripe, etc.), tokens (JWT, OAuth), database URLs, private keys, and more.
Is this tool really free?
Yes, completely free with no limits. We believe privacy tools should be accessible to everyone.