AI Guardrail icon

AI Guardrail

by rengbas99 · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 20 Oct 2026

Privacy-first PII redaction for AI chats and web tools. Detects UK names, emails, bank details and more—100% local.

Users
8
+2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#215K
#180K among extensions
Version
1.0.5
updated 16 Apr 2026

Users

monthly, 7 months
048Mar 2026Jul 2026Oct 2026
Latest, 20 Oct 2026: 8 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months
001Mar 2026Jul 2026Oct 2026
Latest, 20 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About AI Guardrail

🛡️ AI Guardrail: The Ultimate UK PII Shield for AI AI Guardrail automatically detects sensitive UK personal data as you type or paste into AI assistants, enterprise tools, and web forms—empowering you to redact it with a single click before it ever leaves your browser. 🏆 MILESTONE REACHED: Proudly protecting users across the UK healthcare, legal, and HR sectors! 🔍 WHAT IT DETECTS - Physical Addresses: UK street names, house numbers, and apartment details. - Full Names: Intelligent detection with context awareness. - National Identity: Full support for National Insurance (NI) and NHS Numbers (with Mod-11 validation). - Financial Data: Combined Sort Code + Account Number detection and Payment Card validation. - Contact Info: Intelligent email and UK phone number detection (+44 and 07xxx). - Official IDs: UK Passport, Driving Licence, and VAT registration numbers. - Location: Precise UK Postcode matching. 💎 PREMIUM FEATURES (v1.0.4) 1. Zero-Drift Highlights: Powered by the Native Browser Highlight API. Underlines stay perfectly synced with your text even while scrolling or resizing. 2. Smart Redaction: Replace all risks instantly with safe placeholders like [NAME_1] or [ADDRESS_1] with a single click. 3. Hybrid Detection: Combines advanced regex patterns with Chrome’s experimental On-Device AI for maximum accuracy without data transmission. 4. Local Dashboard: View aggregate stats and risk categories via the sleek Glassmorphism extension popup. 🌐 COMPATIBILITY AI Guardrail is designed to work seamlessly across your favorite web-based platforms, including: - Major AI Chat Interfaces (Generative AI assistants and LLM platforms) - Enterprise Productivity Tools (Messaging, CRM, and Helpdesk platforms) - Any Web Input: Works on standard text areas and sophisticated rich-text editors. 🔒 PRIVACY BY DESIGN - 100% Local Processing: Your text never leaves your browser for scanning. - No Cloud APIs: Works entirely on your device with zero data transmission. - Zero Data Retention: No accounts, no sign-ups, and no prompt history stored. - Minimal Permissions: We only ask for what is strictly necessary (Storage and Clipboard). 🏛️ BUILT FOR Healthcare Workers, Legal Professionals, HR Teams, and Support Agents who need to ensure compliance while utilizing the power of AI. Stop accidentally sharing patient names, clinical details, or client addresses. AI Guardrail catches it before you send.

Growth

WindowUsersChangeRatingsRating
7 days+2+33.3%00.00
30 days+2+33.3%00.00
6 months+2+33.3%00.00

Chrome Web Store search rankings

Where AI Guardrail appears when people search the store, with the 30 day change
Search phrasePosition30 days
ai-powered productivity tools#88−4

Version history

3 versions recorded
1.0.516 Apr 2026
1.0.413 Apr 2026
1.0.010 Mar 2026

Details

Category
Tools
First seen
10 Mar 2026
Size
58 KB
Languages
en-GB
Pricing
Free
Privacy policy
github.com
Extension ID
bjkkkcojmehpkbjldkieidkbmkknphog

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
storageclipboardWrite

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