According to AlphaMoat, as of 2026-10, the Chrome extension Private Prompt has 17 users, rated 5 (1 reviews) — ranked #8,312 of 10,012 AI browser extensions, and #2,084 of 2,527 in General AI.
ChatGPT privacy: auto-anonymize PII—names, emails, IDs—before sending to ChatGPT, Claude, Gemini, Grok & Perplexity. Private Prompt automatically detects and anonymizes personal data (email, phone, SSN, tax ID, IBAN, names, addresses) in your prompts before they reach ChatGPT, Claude, Gemini, Grok or Perplexity.
How it works: 1. Detects sensitive data in real time 2. Replaces it with placeholders ([NAME_1], [EMAIL_1]...) 3. Restores original values in AI responses
Key features:
Free plan: basic detection, 5 anonymizations/day. Pro plan: full detection, custom regex rules, reports. Business plan: industry patterns, sync, custom dictionaries.
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+ CompareData month: 2026-10 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.