Available on Chrome Web Store

Stop leaking secrets to AI chatbots

Automatically detect and redact sensitive data (emails, API keys, PII) before it leaves your browser. Works with ChatGPT, Claude, and Gemini.

Add to Chrome - Free
100% Local Processing Zero Data Collection Minimal Permissions

Enterprise-grade security,
personal-grade simplicity.

⚡

Real-time Detection

Scans your prompt as you type. Catches sensitive data instantly before you hit send.

🔒

100% Local Processing

Your data never leaves your device. All regex scanning happens locally in your browser.

⚙️

Smart Redaction

Replace jdoe@company.com with [EMAIL] automatically with one click.

Why These Permissions?

ChatShield only requests access to 4 specific AI chat sites. Nothing else.

What ChatShield CAN Do

  • Scan text on ChatGPT, Claude, and Gemini
  • Detect sensitive data before you send it
  • Store your preferences locally

What ChatShield CANNOT Do

  • Access any other websites
  • See your browsing history
  • Read your passwords or cookies
  • Send data to external servers

100% local processing. Your data never leaves your browser. Read our Privacy Policy

Simple, transparent pricing

Start free. Upgrade when you need more power.

Free

$0

forever

  • Email, phone, SSN detection
  • Credit card detection
  • 3 API key types
  • Basic [REDACTED] masking
  • 24-hour history
  • ChatGPT, Claude, Gemini
Add to Chrome
Most Popular

Pro

$6/mo

billed monthly

  • Everything in Free, plus:
  • Smart fake data substitution
  • ALL API key types
  • Custom regex patterns
  • Allowlist/whitelist
  • Unlimited history
  • Export reports
  • Priority support

7-day free trial included

Team

$12/user/mo

minimum 3 seats, billed annually

  • Everything in Pro, plus:
  • Admin dashboard
  • Usage analytics
  • Centralized policies
  • Team management
  • SSO/SAML (coming soon)
Contact Us