Is my Aadhaar sent anywhere?

No — validation runs entirely in your browser. Don't share your Aadhaar on untrusted sites for any reason.

Does valid format mean the number is real?

No — only that the structure is correct. Use UIDAI's official portal to verify a real issued Aadhaar.

Utilities Tool

Aadhaar Number Validator

Validate Aadhaar number format using the official Verhoeff checksum.

Privacy-first workflows

Fast and simple

100% Free, no signup

Aadhaar number

✗ Invalid

Failed Verhoeff checksum — this is not a valid Aadhaar number

Privacy: Validation runs in your browser. Nothing is sent to a server. Don't paste your real Aadhaar into untrusted websites — there's no need to share it just to check format.

How it works

How to validate an Aadhaar number

STEP 01

Enter the 12-digit Aadhaar number.

STEP 02

See whether it passes the Verhoeff checksum used by UIDAI.

STEP 03

Note: format check only — doesn't confirm the number is issued.

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FAQ

Aadhaar Number Validator

How to validate an Aadhaar number

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