Regex Replacer

Manage and apply regex patterns across websites

Regex Find & Replace - Text Transformer for Privacy & Power Users Transform any text on websites with powerful regular expressions! Create custom patterns to mask sensitive information, format text consistently, or make websites more readable. ✅ Perfect for: - Privacy protection - Hide personal info like credit card numbers, email addresses, or phone numbers - Text formatting - Fix inconsistent formatting on websites - Content filtering - Replace distracting words or phrases - Data cleaning - Format messy text consistently 🔍 Example: Automatically mask credit card numbers while preserving last 4 digits Pattern: /\d{0,4}[- ]?\d{4}[- ]?\d{4}[- ]?(\d{4})\d{0,3}/g Replacement: ****-****-****-$1 Before: Visa: 4012888888881881 After: Visa: ****-****-****-1881 ✨ Features: - Create unlimited regex patterns with full capture group support - Target specific websites or apply globally - Test patterns before saving - Toggle patterns on/off with one click - All processing happens locally - your data stays private