Free Prompt Privacy & API Key Scanner

Sanitize and mask sensitive credentials, API keys, emails, and phone numbers in your prompts entirely inside your browser.

Try it:
100% On-Device & Secure

This tool runs entirely in your browser — no text or secret key is ever sent to a server.

Paste a prompt to scan it.

Frequently Asked Questions

Does the Prompt Privacy Scanner send my data to a server?

No. Just like the YONT iOS app, this web tool runs entirely client-side, in your browser, with local JavaScript. No text or secret key is ever sent to any server.