Protect PDF Online. Set password to encrypt PDF files!

Start Protecting Your PDF Documents! Drag and dorp your PDF files. Enter the password and press "Upload and Protect" button to start the process.

Password: (Encrypted with AES256) Unlock PDF Online>>

Drop files here or click to upload

Security guaranteed

All data will be cleared in 12 hours. No files will be stored in our servers.

Perfect quality

We guarantee high quality PDF encryption results. No words and layout will be changed.

Absolutely Free

100% free. No restrictions on the number of both uploaded PDF files and pages.


We provide the fastest PDF encryption service online with no restrictions.

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Creative, Awesome & Smart

How to protect pdf files online for free

PDF Protect Free is the best service online to encrypt PDF documents with password. Just follow the next steps.

  • Drag and drop your desired PDF files on the drop zone.
  • Remove unwanted PDF files by clicking "Remove file" button.
  • Enter password and click "Upload and Protect" to start uploading and PDF encryption process.
  • Wait for a seconds and you will get a download link.