🔏 Personal Info Redactor

What is a Personal Data Masking Tool?

A personal data masking tool automatically detects sensitive information in text — including email addresses, phone numbers, social security numbers, credit card numbers, IP addresses, and names — and replaces part of each with asterisks (*) to anonymize it. Use it to safely mask personal data in documents, log files, customer records, and screenshot text before sharing. All processing happens entirely in the browser; no data is ever sent to a server.

Common Use Cases

How to Use

1. 1
   Select masking rules

   Check the rules you want to apply in the left panel: email, phone, SSN, credit card, IP address, Korean name. Each rule shows a sample output so you know what to expect.
2. 2
   Paste your text

   Paste or type the text you want to mask into the input area on the right. Multiple lines of text are processed all at once.
3. 3
   Review & copy result

   The masked output appears instantly. Yellow highlights show what was masked. Click the copy button to save it to your clipboard.
4. 4
   Verify the output

   Always review the masked result manually to confirm no items were accidentally missed or incorrectly masked. Adjust the rule checkboxes and reprocess if needed.

Frequently Asked Questions