Data Anonymizer

Automatically detect and mask PII (personally identifiable information) in your datasets before sharing or analysis.

  • 100% client-side — your data never leaves your browser
  • Auto-detects emails, phones, SSNs, names, addresses, IPs, credit cards
  • Choose which PII types to mask
  • Download anonymized CSV
Drop your CSV file here or click to browse
CSV files up to 5 MB

PII Detected — Select What to Mask

Anonymization Results

Preview (first 10 rows)