AI Guardrail

UK PII redactor. Detects names, emails, phones, postcodes, NHS numbers, NI numbers, bank details in AI chats. 100% local.

🛡️ AI Guardrail automatically detects UK personal data as you type or paste into AI assistants, email, and forms — then lets you redact it with one click before it's sent. ── WHAT IT DETECTS ── • Full names (with context awareness) • Email addresses • UK phone numbers (+44 and 07xxx formats) • NHS numbers • National Insurance (NI) numbers • UK postcodes • Sort code + account number (bank details) • UK VAT numbers ── HOW IT WORKS ── 1. You type or paste text into any AI chat, email, or form 2. AI Guardrail scans for UK personal data in real time 3. A popup shows exactly what was found and what it will be replaced with 4. Click ✓ Update to redact all PII instantly — or Ignore to dismiss 5. Your text is replaced with safe placeholders like [NAME_1], [NHS_NUMBER_1] ── WORKS ON ── • ChatGPT (chat.openai.com) • Google Gemini • Perplexity AI • Claude (claude.ai) • Gmail (compose) • Any website with a text input or chat box ── PRIVACY FIRST ── ✓ 100% local processing — your text never leaves your browser ✓ No accounts, no sign-up, no cloud API ✓ No data stored or transmitted ✓ Open source and auditable ✓ Works offline ── BUILT FOR ── Healthcare workers, legal professionals, HR teams, customer support agents — anyone who handles sensitive UK personal data and uses AI tools daily. Stop accidentally sharing patient names, NHS numbers, or client details with AI systems. AI Guardrail catches it before you send.