🔒 String Obfuscator
Obfuscate sensitive information like phone numbers, emails, IDs, and bank cards. Preserve first and last characters for partial visibility while protecting privacy data.
chars
chars
single char
Obfuscated Result
💡 About String Obfuscation:
String obfuscation masks sensitive data while keeping partial visibility for verification. This protects privacy while allowing users to confirm they're viewing the correct information.

Common Use Cases:
• Phone numbers: 138******78 (keep first 3, last 2)
• Email addresses: j***@example.com (keep first 1, domain)
• ID cards: 440106********1234 (keep first 6, last 4)
• Bank cards: 622202******0123 (keep first 6, last 4)

How to Use:
• Keep first: Preserve N characters from the start
• Keep last: Preserve N characters from the end
• Replacement: Symbol to replace middle characters (default *)
• Keep spaces: When enabled, spaces won't be replaced
• Real-time: Auto-obfuscate while typing
• Click "Copy Result" to use clipboard
• Shortcuts: Ctrl/Cmd+Enter obfuscate, Ctrl/Cmd+Shift+C copy

String Obfuscator Tool

Welcome to the String Obfuscator , a tool that masks sensitive information while keeping partial visibility for verification. Protect privacy data like phone numbers , email addresses , ID cards , and bank card numbers .

How to Use the String Obfuscator: Enter any sensitive string and configure how many characters to keep visible from the start and end. The tool will replace middle characters with your chosen symbol (default *) while preserving partial visibility.

This privacy tool is perfect for displaying partial sensitive data in logs, UIs, or databases. Examples: 138******78 (phone), j***@example.com (email), 440106********1234 (ID card). No registration required!