User Handbook
Browser Guard Installation
Install the Chrome/Edge extension and connect it to the platform
Prerequisite
Browser Guard is available starting with the Business tier.
Installation
For individual users
- Open the Chrome Web Store (or Edge Add-ons).
- Search for the platform name.
- Click Add.
- After installation, the extension icon appears in the browser toolbar.
- Click the icon and enter your extension key (format:
ext_...).
For enterprises (managed deployment)
Enterprise admins can distribute the extension via Group Policy (Windows) or MDM (macOS):
- Download the extension CRX file.
- Configure the extension ID and extension key in your policy.
- The extension is installed and configured automatically.
Generating an Extension Key
- In the platform, navigate to Settings → Security → Browser Guard.
- Click Generate extension key.
- Copy the key (format:
ext_...).
Supported Platforms
| Platform | Status | Enforcement |
|---|---|---|
| ChatGPT | ✅ Live | Block + Modify |
| Claude | ✅ Live | Block + Modify |
| Gemini | ✅ Live | Block only (Protobuf) |
| Microsoft Copilot | ✅ Live | Block + Modify |
| Grok | ✅ Live | Block + Modify |
| DeepSeek | ✅ Live | Block + Modify |
| Perplexity | ✅ Live | Block + Modify |
| Meta AI | 🔜 Ready | EU geo-block |
How It Works
The extension intercepts prompts to LLM platforms in the browser before they are sent. No network proxy, no TLS interception. PII is detected and masked. Blocked prompts are not sent. The user sees a color-coded toast notification.