Free local scanner
Check AI prompts for secrets before you paste.
No account, no upload flow, no server-side scan. This page runs simple local heuristics in your browser, including browser-context checks for HAR headers and storage dumps.
Prompt or snippet
Local checkFindings
Heuristic
Useful result?
Buy the $4.99 Prompt Leak Guard package for the browser utility, checklist, install notes, and copyable risk receipts. Use LAUNCH20 for 20% off.
Sanitized output
Copy-safe draftBest for prompts
Use it before pasting stack traces, logs, .env examples, HAR snippets, browser storage dumps, support tickets, and agent context into AI chats.
Best for posts
Use it before publishing demos or bug reports where credentials can hide in copied output.
Best next step
Install Prompt Leak Guard if you want the same idea packaged as a browser utility.