Real-time PII detection that protects your emails, phone numbers, credit cards, and personal information before you send them to ChatGPT or Claude.
Privacy Watch works silently in the background, alerting you only when it matters
Analyzes your text as you type. Red border appears instantly when private information is detected.
Automatically prevents messages containing PII from being sent. You stay in control with clear warnings.
Replace sensitive data with safe placeholders like [EMAIL_MASKED] with a single click.
Works in 8 languages: English, French, Spanish, German, Italian, Portuguese, Japanese, Chinese.
All processing happens locally on your device. No data sent to servers. No tracking. No analytics.
Works immediately after installation. No account, no setup, no learning curve required.
Protection in 4 simple steps
Start typing your message in ChatGPT or Claude like you normally would
Privacy Watch analyzes your text locally and identifies any private information
Red border appears and you see exactly what private data was detected
Choose to send anonymized version or proceed with original text
Comprehensive protection for all types of personal information
We're serious about protecting your privacy
We don't collect, store, or transmit any of your data. Everything stays on your device.
All processing happens locally. We don't have servers to send your data to.
No analytics, no telemetry, no tracking pixels. We can't see what you type.
Our code is open for inspection. Verify our privacy claims yourself.
Join thousands of users who trust Privacy Watch to keep their data safe
🔒 Install Free ExtensionFree forever • No credit card • 2-minute setup