Free PII checker: find and mask personal data in text
Paste any text. See the personal data our privacy filter finds in it, and the same text with that data masked.
Free. No sign-up. Tested in the 24 official EU languages.
Paste text you're allowed to share, or try an example.
Up to 2,000 characters.
Questions and answers
What does the PII checker do?
This free PII checker looks for personal data in text, such as names, phone numbers and email addresses. It marks what it finds and gives you the same text with that data masked. Paste up to 2,000 characters; no sign-up. Tested in the 24 official EU languages.
What kinds of personal data does it look for?
Personal data such as names, phone numbers, email addresses and postal addresses, and secrets such as passwords.
Which languages does it work in?
It was tested in the 24 official EU languages.
Do you keep my text?
We do not save the text you send or the answer in any log, file or database. Your text is checked in the EU.
How much can I check?
Up to 2,000 characters per check, and up to 20 checks an hour.
What is the difference between PII and personal data?
PII (personally identifiable information) is the term used in the US. The EU's GDPR says "personal data": any information relating to an identified or identifiable natural person (Article 4(1)).
How do I keep personal data out of my own AI agent?
Use the privacy filter through the API. It comes with HaloGuard EU's answer, on the same key, and you choose what it masks.
Results on public benchmarks
Our privacy filter looks for personal data in text. Results on six public benchmarks are at astroware.ai/benchmarks.
Your text
We do not save the text you send or the answer in any log, file or database. Your text is checked in the EU.