Protect your privacy when using ChatGPT
Cloak automatically anonymizes sensitive information before sending to ChatGPT and restores it in responses. Your data stays private—all processing happens locally in your browser.
How it works
You type your message
Type normally in ChatGPT, including any sensitive information like emails, phone numbers, or credit cards.
Automatic anonymization
Cloak detects and replaces PII with tokens before sending to ChatGPT. Your real data never leaves your browser.
Seamless restoration
When ChatGPT responds, Cloak automatically restores your original data. You see the real information, ChatGPT never did.
What ChatGPT sees
Contact me at [EMAIL_1] or call [PHONE_1].
What you see
Contact me at user@example.com or call 555-123-4567.
Features
Automatic protection
Works seamlessly in the background. No configuration needed.
Comprehensive PII detection
Detects emails, phones, credit cards, SSNs, IPs, API keys, and more.
Privacy first
All processing happens locally in your browser. No data sent to external servers.
Formatting preserved
Markdown, code blocks, and formatting remain intact in responses.
Multi-conversation support
Tracks entity maps separately for each conversation.
Easy toggle
Enable or disable protection with a single click.
Installation
Get Cloak from the Chrome Web Store. One-click install, automatic updates, and verified by Google.
Download on Chrome Web StoreAvailable for Chrome, Edge, and other Chromium-based browsers
Ready to protect your privacy?
Download Cloak v1.0 from the Chrome Web Store and start using ChatGPT with confidence. Production-ready and fully tested.
Download on Chrome Web Store