Free Secure Data Anonymizer
🔒 Secure Data Anonymizer
Protect sensitive information while preserving data utility
Original Data
Anonymized Data
Secure Data Anonymizer Guide
What This Tool Does:
Protects sensitive information by applying various anonymization techniques while maintaining data usability for testing/analysis.
How to Use:
Input Your Data
Paste sensitive data in the left panel
Use preset buttons for common data types:
Personal Data (names, emails, phones)
Financial Data (credit cards, accounts)
Health Data (patient records)
Select Anonymization Settings
Choose Data Type (name/email/phone/ID/address)
Select Method:
Masking: Replaces with asterisks (J*** D***)
Pseudonymization: Realistic fake data
Hashing: Cryptographic transformation
Perturbation: Numerical value randomization
Synthetic: Artificially generated data
Process & Export
Click “Anonymize” to transform data
Copy results with the “Copy” button
Keyboard shortcut: Ctrl+Enter to anonymize
Key Features:
✔ Multiple anonymization techniques
✔ Context-aware processing
✔ Preserves data format/structure
✔ Sample data for quick testing
✔ Mobile-responsive design
Security Notes:
• Processing happens in your browser (no server transmission)
• For highly sensitive data, consider additional measures
• Hashing provides irreversible protection