Mask an e-Aadhaar PDF: hide the first 8 digits and the VID
An e-Aadhaar prints your number several times: on the letter at the top and on the front and back cards below. Sharing it with a hotel, a landlord or a SIM shop gives all of them the full number. A masked copy shows only the last 4 digits, as UIDAI's own masked Aadhaar does.
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The e-Aadhaar password
The PDF from UIDAI is locked. Its password is the first four letters of your name in capitals followed by your year of birth, for example RAME1990. Enter it under "PDF password"; it is used only to open the file.
Tested: every copy of the number
On a made-up e-Aadhaar with the letter and both cards, all three Aadhaar numbers and both VIDs were found. Each now reads XXXX XXXX followed by the last 4 digits, written in the card's own colour, and the finished page was read again to check that no hidden digit was left.
A photo or scan instead of the PDF
A phone photo or scan of a printed Aadhaar works too: the number is read from the picture. Keep the card flat, in good light and in focus; if part of a number would stay readable, the tool refuses to make a file rather than give you a leaky copy.
Choose the e-Aadhaar PDF and enter its password.
Keep "Aadhaar number and VID" ticked and start.
Open the result and check every copy shows only the last 4 digits.
Files are processed in India, virus-scanned, and deleted right after you download them (or after 10 minutes).
Common questions
Is a masked Aadhaar still valid as identity proof?
UIDAI itself offers a masked Aadhaar for sharing. Where an office needs your full number, such as a bank account or a government benefit, it will ask for it: give them the original only.
Why is the VID masked too?
The VID can stand in for your Aadhaar number in some verifications, so a copy you hand out is safer without it. Its last 4 digits stay visible, like the Aadhaar number.
Can someone remove the X's and see the number?
No. The page is rebuilt from a picture with the digits erased and X's written in their place, so the original digits are no longer in the file at all.