PromptArmor
Secure Your Prompts. Protect Your Data.
PromptArmor is your last line of defense before Ctrl+V. When you try to paste sensitive data (API keys, passwords, SSNs, credit cards) into AI platforms like ChatGPT, Claude, or Gemini, PromptArmor detects it and warns you before it's too late. All pattern matching happens locally - your data never leaves your device.
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Powerful Features
61+ Detection Patterns
Blocks API keys, PII, financial data, and personal info. Not just APIs - we cover everything.
22+ AI Platforms
Works on ChatGPT, Claude, Gemini, DeepSeek, and 18+ more platforms.
Paste Safely
Redact sensitive data automatically with privacy-preserving placeholders.
100% Private
All processing happens locally on your device. Zero data collection.
Simple, Transparent Pricing
Start for free and upgrade when you need more power. No hidden fees.
Free
$0/forever
Perfect for getting started
- 🔓 Guest: No login required - instant protection
- 🔓 Guest: 20 detection patterns (essentials)
- 🔓 Guest: 8 core AI platforms
- 🔓 Guest: 10 Paste Safely uses/month
- 📧 Free: Sign up for 35 patterns
- 📧 Free: 12 AI platforms
- 📧 Free: 25 Paste Safely uses/month
Pro
Full power, cancel anytime
- All 61+ detection patterns
- All 22 AI platforms + request new ones
- Unlimited Paste Safely uses
- Custom regex patterns (unlimited)
- Unlimited activity history
- Site whitelist (temporarily disable on specific sites)
- Export activity log (CSV)
- Desktop notifications
- Priority support
Or subscribe with Stripe Checkout
Frequently Asked Questions
What's the difference between Guest, Free, and Pro?
Guest: No login needed - 20 patterns, 8 platforms, 10 Paste Safely/month. Free: Sign up (no payment) - 35 patterns, 12 platforms, 25 Paste Safely/month. Pro: Subscription - All 61+ patterns, all 22 platforms, unlimited everything, custom patterns, whitelist, and export.
What sensitive data does it detect?
Over 61 patterns including API keys (Stripe, AWS, OpenAI, GitHub), passwords, JWT tokens, private keys, credit cards, SSNs, crypto wallets, medical records, driver's licenses, and more.
Which AI platforms are protected?
Guest: ChatGPT, Claude, Gemini, Copilot, Perplexity, Poe, DeepSeek, Mistral. Free adds: Grok, HuggingFace, You.com, Phind. Pro: All 22 including Jasper, Copy.ai, Notion AI, and more.
Is my data sent anywhere?
No! 100% local processing. Your clipboard data is never stored or transmitted. Only 'storage' and 'clipboardRead' permissions are used.
What is Paste Safely?
When sensitive data is detected, you can choose 'Paste Safely' to paste a redacted version (hiding the sensitive parts). This has monthly limits based on your plan.
Ready to try PromptArmor?
Install now and start using PromptArmor for free. Upgrade to Pro whenever you're ready.