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
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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.
No. We operate under zero-knowledge privacy. Passwords are never transmitted or stored, so please remember it.