Browser-Based · No Data Leaves Your Device
Data Anonymizer
Upload a CSV or JSON dataset. Auto-detects PII columns like names, emails, and addresses, then replaces them with realistic synthetic data — safe for staging or sharing.
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Supports .csv and .json files100% Private
All processing happens in your browser. Your data never touches a server.
Smart Detection
Automatically identifies names, emails, phones, addresses, IPs, SSNs, and more from column headers.
Consistent Replacements
The same original value always maps to the same fake value, preserving referential integrity.