Data Anonymizer & Masker

Paste or upload any CSV or text. Real names, emails, phone numbers, and IDs are replaced with realistic fake-but-consistent values so you can share data safely.

Input (CSV or plain text)

Options

Mask names Mask emails Mask phones Mask numeric IDs

Runs entirely in your browser. Nothing is uploaded or stored.

How it works

STEP 1

Paste or upload your data

Drop in a CSV or plain text snippet containing personal info you want to mask.

STEP 2

Choose what to anonymize

Select which fields to mask: names, emails, phone numbers, and/or numeric IDs.

STEP 3

Copy or download the result

Get the anonymized version with consistent fake values — the same original value always maps to the same fake one.