PII Redactor
Automatically detect and redact personal information from your data files. 100% client-side processing — your data never leaves your browser.
Drag & drop your file here
or click to browse • CSV, XLSX supported
How PII Redaction Works
Drop your CSV or Excel file — supports files up to 100MB with millions of rows
Our algorithms scan for 12+ PII types including emails, SSNs, credit cards, and addresses
Choose redaction style — mask with asterisks, replace with fake data, or remove entirely
Export your anonymized data instantly — no account or payment required
Who Uses PII Redaction?
Compliance Teams
Ensure GDPR, CCPA, and HIPAA compliance when sharing data with third parties or responding to data subject access requests.
Development Teams
Create realistic test datasets from production data without exposing real customer information in staging environments.
Data Analysts
Share datasets with external consultants or publish research data while protecting individual privacy.
Detected PII Types
Email Addresses
Personal & work emails
Phone Numbers
Mobile, landline, international
Social Security
US SSN formats
Credit Cards
Visa, Mastercard, Amex, etc.
Full Names
First, last, middle names
Addresses
Street, city, zip codes
Dates of Birth
Various date formats
IP Addresses
IPv4 and IPv6
Passport Numbers
International formats
Driver's License
US state formats
Domain Names
Website domains
Custom Patterns
Your own regex rules
Frequently Asked Questions
Our Privacy Guarantee
Utilistack is built on a simple principle: your data should never leave your control. Unlike cloud-based redaction services, we use 100% client-side processing. This means your sensitive data stays on your device, making it impossible for us — or anyone else — to access it. No accounts, no uploads, no tracking.