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Description
Privacy-focused browser extension that automatically redacts PII from AI prompts before they are sent. Automatically redacts emails, API keys, credit cards, and other PII from your prompts before they reach ChatGPT, Claude, or Gemini. No data leaves your browser. MaskPrompt is a privacy-first browser extension that detects and redacts Personally Identifiable Information (PII) from your AI prompts before they are sent. Every redaction happens entirely on your device — no data is ever transmitted to external servers. What it redacts: - Email addresses - Phone numbers - Credit card numbers - Social Security numbers - IP addresses - API keys (OpenAI, AWS, GitHub, Google, Stripe) Supported platforms: - ChatGPT (Free tier) - Claude (Free tier) - Gemini (Free tier) Free tier: 15 redactions/day on ChatGPT. Pro unlocks unlimited redactions, custom url, and custom regex patterns. Privacy: All PII detection runs locally in your browser. The extension never reads, stores, or transmits your prompt content. Only anonymous usage counters are synced to enforce quota limits.