ScreenMask: Auto Redact Sensitive Data(PII)

Description

Automatically detect and mask sensitive data (PII) on web pages to protect your privacy. --- What's New in Version 1.2.0 (Release Notes) --- 🎉 Massive Accuracy & Feature Update! New Features (Pro): Custom Rule Builder: You can now create your own custom redaction rules! Enter any keyword (e.g., ProjectX) or Regular Expression (e.g., /EMP-\d{5}/g) and ScreenMask will automatically blur it across the web. Manual Blur Mode: Need to hide a chart, image, or unformatted table? Click "Enable Manual Blur Mode" in the popup, and simply click any element on the page to instantly blur it. Banking & Finance Codes: Added automatic detection for IFSC, SWIFT/BIC, IBAN, and MICR routing codes. Contextual Financial Redaction: ScreenMask now intelligently blurs Account Balances and Portfolio P&L amounts when they appear next to sensitive keywords (e.g., "Balance: $500"), while ignoring safe, everyday numbers. UPI Heuristic Engine: Dramatically improved UPI ID detection to support all 300+ Indian payment service providers without false positives. Enterprise Accuracy Upgrades: Aadhaar: Now uses the full Verhoeff (Dihedral Group D5) mathematical checksum. Zero false positives. PAN Cards: The 4th character is now validated against the official Indian Income Tax entity codes. GSTIN: Validates both the state code (01-38) and the embedded PAN. Date of Birth: Matched dates are now parsed through a calendar engine to reject impossible dates and ages over 120. --- Description --- ScreenMask is a privacy tool that automatically redacts sensitive information on web pages. By blurring or masking data, it ensures your Personally Identifiable Information (PII) stays private when others can see your browser. Using advanced Pattern Matching (Regex) and DOM observers, ScreenMask automatically detects and blurs Personally Identifiable Information (PII) before anyone can see it. Core Features (Free): - Auto-Detect: Blurs Email Addresses, Phone Numbers instantly. - Two Redaction Modes: Choose between a smooth CSS Blur or an Asterisk (****) replacement. - Quick Reveal: Hold the Alt key while hovering over redacted text to temporarily reveal it to yourself. Pro Features (Requires License via getscreenmask.com): - Custom Rule Builder: Define your own keywords or Regular Expressions (Regex) to redact internal proprietary IDs, secret project names, or any data format unique to your company. - Manual Element Blur: Point and click to blur any chart, image, or unformatted table that algorithms can't catch. - Credit Card Validation: Uses the Luhn algorithm to perfectly redact credit/debit cards while ignoring random order numbers. - Banking & Finance Data: Automatically detect and blur IFSC, SWIFT, IBAN, MICR codes, as well as Contextual Account Balances and Portfolio P&L. - India-Specific Identity: Highly accurate redaction for Aadhaar (Verhoeff validated), PAN Cards (Entity validated), GSTIN (State validated), and UPI IDs. - Cloud Sync: Your custom rules and settings automatically sync across all your devices via Chrome Storage. Privacy First - Zero Data Collection: ScreenMask runs 100% locally in your browser. We do NOT collect, store, or transmit any of the data visible on your screen. The detection engine is entirely local. Your privacy is our only priority.

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