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How to Password Protect Aadhaar PDF on Mobile Phone

26 Jan 2026 Uneek PDF Team

Securing your Aadhaar PDF with a password is crucial for privacy. This guide explains how to add a password to your Aadhaar card using your mobile phone.

By default, the e-Aadhaar PDF you download from UIDAI comes with a password (first 4 letters of name + birth year). However, if you have removed it or want to set a custom password, you can use our Protect PDF tool. Simply access Uneek PDF on your mobile browser, upload your Aadhaar file, and enter your desired password. The tool will encrypt the file instantly. Once downloaded, the PDF will require that password to open on any device. This is highly recommended before sharing your Aadhaar via WhatsApp or email. Alternatively, apps like Adobe Acrobat Reader for mobile allow you to set passwords if you have a subscription. Always use a strong password that you can remember. Never share your password alongside the file in the same message. Protecting your Aadhaar prevents unauthorized access in case your phone is lost or your data is compromised.


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