How to put a password on a PDF

Lock a PDF so only people with the password can open it. Strong AES-256 encryption, done in your browser.

When to lock a PDF

Salary slips, bank statements, ID copies and medical reports should be locked before sending by email or WhatsApp.

Steps

  • Open Protect PDF.
  • Choose the file and type a strong password.
  • Download the locked PDF and send the password separately (for example by phone call).

A good password

At least 10 characters with letters and numbers. Do not use only your birth date or mobile number.

Free tools for this

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