According to AlphaMoat, as of 2026-08, the Chrome extension Private Prompt has 11 users, rated 5 (1 reviews) — ranked #9,062 of 9,793 AI browser extensions, and #2,368 of 2,531 in General AI.
What is Private Prompt
Private Prompt detects and anonymizes personal data such as email, phone, tax ID, and names in your prompts before they reach ChatGPT, Claude, Gemini, Grok, or Perplexity. It replaces values with placeholders and restores them in the reply, scores risk, and processes everything locally on your device.
- 01Anonymize: PII
- 02Restore: reply
- 03Score: risk
- 04Local: device
Free plan available for personal use; a Pro plan unlocks advanced features and higher limits.
Show full Chrome Web Store description▾
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:
- 100% local processing — data never leaves your device
- Privacy Score (SAFE / WARNING / DANGER)
- Whitelist for names and companies
- Adjustable security levels
- No account, no tracking, no cloud
Free plan: basic detection, 5 anonymizations/day. Pro plan: full detection, custom regex rules, reports. Business plan: industry patterns, sync, custom dictionaries.
Extension profile
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+ CompareData month: 2026-08 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.