Data Masking and Anonymization

Find and hide personal data (emails, phones, names, card numbers) in CSV, JSON or Excel files before sharing. Runs in your browser; nothing is uploaded.

Example

ada@example.com, +1 555 0100

a**@example.com, +1 *** ****

Frequently asked questions

Is masking the same as anonymizing?

Not always. Combined details can still identify people, so review before sharing.

Can a hash be reversed?

Not directly, but easy-to-guess values can be matched. Use a salt.