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Add a Password to a PDF

Sending a contract or payslip? Password-protect it before it hits an inbox.

Open Protect PDF

3 free tasks a day · No signup · Files never leave your device

Step by step

  1. 1Open Protect PDF and add the file.
  2. 2Choose a strong password.
  3. 3Download the encrypted PDF and share the password separately.

Questions

Where is my password stored?+

Nowhere. Encryption happens in your browser and the password is never transmitted or saved.

Are my files uploaded anywhere?+

No. Every PDFOnCall tool runs inside your browser, so the file never leaves your device. That is also why it finishes in seconds instead of waiting in an upload queue.

Try it now — free

Processed on your device, never uploaded.

Open Protect PDF

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