Skip to main content

Security · browser workspace

Redact Sensitive Data - Mask SSN, Credit Cards

Automatically redact SSNs, credit card numbers, and phone numbers. Privacy tool.

Quick start

Built for automatically redact ssns, credit card numbers, and other patterns.

Everything runs in your browser, so you can test the workflow with sample data when available before using production files.

Output: A new file or report produced locally in your browser.

  1. 1Choose a supported file or use sample data when available.
  2. 2Set the options shown for this workflow.
  3. 3Process the file locally, inspect the result, and download a new copy.
Preparing your private workspace…

How to Redact Sensitive Data

  1. 1Upload CSV file
  2. 2Sensitive patterns detected
  3. 3Download redacted file

Why Use This Tool?

  • ✓Pattern Matching - Common SSN, card, and US phone formats
  • ✓Replace with [REDACTED]
  • ✓Review Required - Other formats and indirect identifiers can remain

Frequently Asked Questions

What patterns are detected?

SSN (123-45-6789), credit cards (16 digits), US phone numbers.