GuardRail Browser Security
A guardrail for your web browser - AI-powered protection against malicious sites
Prevent accidental PII or API key leaks to any AI. A local-first firewall that masks personal data before it leaves your browser.
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Prevents accidental data leaks to AI tools. Now supports Custom Domains and Custom Regex Rules.
AI Shield is a "local-first" firewall that sits between your clipboard and AI websites. It automatically detects and masks sensitive data (PII, API keys, private tokens) before you paste them into chat interfaces.
🚀 NEW IN VERSION 1.1:
Universal Support: Now works on ANY website. Add your own custom domains (e.g., internal-ai.company.com, localhost:3000) to the Allow List.
Custom Block Rules: Define your own Regex patterns to block specific internal project codes or proprietary data formats.
Incognito Mode: Toggle "Auto-Clear" to ensure your history is wiped from memory the moment you close the browser.
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Store average score: 5.0. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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A guardrail for your web browser - AI-powered protection against malicious sites
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Stop sensitive data leaking into AI chats by accident. Clipboard protection for ChatGPT, Claude & Gemini. 100% local.
A true autonomous AI browser agent—bring your own API key (no subscription) or run local Ollama/LM Studio models for private AI.
Protect your sensitive data - automatically detects and redacts PII, API keys, and secrets before sending to AI assistants
Automatically catches passwords, API keys, and personal data in your prompts and redacts them before they reach any AI chatbot.
Works as expected