High Security

Protect PDF with Password

Lock and encrypt your PDF document with a strong password. Fast, zero-knowledge in-browser encryption.

Protect PDF with Password

Lock and encrypt your PDF document with a strong password. Fast, zero-knowledge in-browser encryption.

1Upload the PDF file you wish to lock.
Your data never leaves your device

How to use this tool

Get your job done in three simple, private steps.

1

Get started

Upload the PDF file you wish to lock.

2

Adjust Settings

Enter a strong password and confirm it.

3

Download Instantly

Download your encrypted, password-protected PDF.

Files stay on your device

Your data never leaves your computer

Unlike online services that upload your resumes, documents, and invoices to cloud servers, Desktora processes everything directly inside your browser memory. Your confidential information stays 100% private.

0s
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100%
Private & Free

Frequently Asked Questions

Everything you need to know about using this tool.

We implement standard PDF encryption compatible with Adobe Acrobat, Chrome, Preview, and all standard readers.

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