Question 1

What is the Aadhaar Checker tool?

Accepted Answer

Aadhaar Check is a free tool that checks whether a 12-digit number follows the correct Aadhaar format and passes the Verhoeff checksum. It does not verify whether a number has been issued by UIDAI or belongs to a real person.

Question 2

Is it safe to enter my Aadhaar number here?

Accepted Answer

The tool runs entirely in your browser. The number you enter is never sent to our servers, and we have no access to it. Recent validations are saved in your browser's local storage only. As with any sensitive data, use a private device and network.

Question 3

How does the Aadhaar number validation work?

Accepted Answer

The tool applies three checks: the number must be exactly 12 digits, the first digit must not be zero, and the last digit must be a valid Verhoeff checksum. Passing all three means the number is correctly formatted — it does not confirm the number has been issued by UIDAI.

Question 4

Can this tool tell me if an Aadhaar number is genuine?

Accepted Answer

No, this tool only checks if the number format is valid. It cannot verify if the number has been officially issued by UIDAI or if it belongs to a specific individual. For official verification, you need to use UIDAI's official services.

Question 5

What should I do if the tool says my Aadhaar number is invalid?

Accepted Answer

If the tool indicates that your Aadhaar number is invalid, first double-check that you've entered the number correctly. If you're sure you've entered it correctly and it's still showing as invalid, you should contact UIDAI (Unique Identification Authority of India) for further assistance.

Question 6

What is an Aadhaar number?

Accepted Answer

An Aadhaar number is a 12-digit unique identity number issued by the Unique Identification Authority of India (UIDAI) to residents of India. It's based on their biometric and demographic data and serves as a proof of identity and address throughout India.