Overview
Prevent accidental PII or API key leaks to any AI. A local-first firewall that masks personal data before it leaves your browser.
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. Dark Mode: A sleek, professional new look that respects your system preferences. 🛡️ KEY FEATURES: Smart Detection: Pre-configured to block AWS keys, OpenAI keys, Stripe tokens, Email addresses, and SSNs. Interactive History: View a log of blocked secrets and copy the original text if you truly intended to paste it. Zero-Latency: The extension sleeps on non-whitelisted sites to ensure zero impact on your browsing performance. 100% Local & Private: No data ever leaves your browser. All processing happens on your device. Perfect for: Everyone who uses public or private LLMs—from developers protecting keys to general users protecting their identity.
Details
- Version1.1.0
- UpdatedDecember 31, 2025
- Offered byAI Shield
- Size243KiB
- LanguagesEnglish
- Developer
Email
info@prefixlab.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
