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Description
Block sensitive data from being submitted to ChatGPT. Detects credit cards, SSNs, API keys, and more. PromptShield — Protect Your Sensitive Data on ChatGPT Ever accidentally pasted a credit card number, API key, or Social Security Number into ChatGPT? PromptShield catches it before it's sent. PromptShield is a lightweight privacy extension that monitors your ChatGPT input in real-time and blocks sensitive information from being submitted. If it detects something risky, it stops the message and shows you exactly what was found; so you can edit it yourself or let PromptShield automatically redact it for you. 🛡️ WHAT IT DETECTS: Credit Card Numbers — validated using the Luhn algorithm to reduce false positives Social Security Numbers (SSN) Phone Numbers Email Addresses API Keys & Secrets — OpenAI, AWS, GitHub, Stripe, and more Passwords in Plaintext ✨ KEY FEATURES: Realtime scanning of every message and paste before submission Warning overlay that highlights exactly what was detected * "Remove & Send" — automatically redacts sensitive data and sends the clean message * Per-category toggles — choose which types of data to detect * On-page status badge so you always know protection is active * One-click pause/resume directly from the ChatGPT page 🔒 YOUR PRIVACY MATTERS: PromptShield runs 100% locally in your browser. No data is collected, transmitted, or stored externally. No analytics. No tracking. No external requests. Works on chat.openai.com and chatgpt.com -- other LLMs/AI tools support coming soon.