Data Masking: Hide Emails, Phones and Names Before Sharing

Share data without sharing people's private details. Find emails, phones and names automatically and hide them.

Sharing real customer data with a vendor, a tester or a student can break privacy rules such as GDPR. Removing personal details by hand is slow, and it is easy to miss one.

Data Masking scans your file and finds columns with personal data, such as emails, phone numbers, names and card numbers. You choose how to hide each one, and the rest of the data stays useful.

Everything happens in your browser, so the original data is never sent anywhere.

Open the Data Masking

How to use the Data Masking: step by step

1. Open Data Masking.
2. Upload your CSV, JSON or Excel file.
3. Check the detected columns (email, phone, name, card number).
4. Pick a masking style for each, then download the safe file.

When to use the Data Masking

• Sharing data with a third party
• Creating safe test data from production data
• Preparing data for training or demos
• Meeting privacy rules before you send a file

Tip: Open the masked file and look through it once before you share it.