AI Prompt Leak Guard

Local-first prompt leak guard. Prompt content is not sent to AI Prompt Leak Guard.

Catch sensitive information before you send it to an AI chat. AI Prompt Leak Guard checks prompts locally in your browser and helps prevent accidental sharing of secrets and personal data. It can warn, redact or block detected content according to your protection settings. WHAT IT HELPS DETECT • API keys, access tokens and cloud credentials. • Private keys and database URLs containing credentials. • Email addresses and phone numbers. • Payment card numbers and supported financial identifiers. • US Social Security numbers and Indian identifiers, including Aadhaar and PAN. • Custom sensitive terms, such as client names and project codenames. REVIEW BEFORE YOU SEND Get warnings for recognized sensitive patterns, replace detected values with redaction placeholders where supported, and block high-risk submissions. Adjust protection settings and turn protection on or off for supported sites. WORKS WITH POPULAR AI SITES Supports ChatGPT, Claude, Gemini, Microsoft Copilot, Perplexity and other supported AI chat services. PRIVACY BY DESIGN Prompt scanning and redaction run on your device. Prompt text and detected values are not sent to AI Prompt Leak Guard or saved as a prompt history. Settings, custom terms and limited scan summaries stay in local extension storage. No product analytics is included. FREE CORE PROTECTION Use local prompt protection without an account or subscription. Detection may miss sensitive information or flag harmless text. Always review your prompt before sending. Supported sites can change their layouts, which may require extension updates.