Protect PDF

Lock PDF files with a password and set permissions

Free Online No limits
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... or drop files here
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4.9 (482 votes)
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Information

256 bits AES

How to protect PDF files

Select your files which you want to secure or drop them into the file box and start the protection. A few seconds later you can download your secured PDF files.

Permissions adjustable

You can adjust the permissions of your protected PDF files. You could, for example, disallow printing, copying of contents or modifications of the protected PDF.

Easy to use

PDF24 makes it as easy as possible for you to protect your PDF files. No installation is required. Simply select your files, change the settings and start the protection.

Supports your system

There are no special system requirements to protect your PDF files. This PDF protection tool functions under all common operating systems and browsers.

No installation required

You do not need to download and install any software. The protection app runs in the cloud on our servers. The app does not consume resources from your computer.

Security is important to us

Your files are no longer than necessary on our server. Your files and results will be deleted from our server after a short period of time.

Windows Linux MAC iPhone Android
Stefan Ziegler Developed by Stefan Ziegler

What others are saying

A quick and easy way to set a password in a PDF. I don't need an extra program anymore.
Besides the password, I can also set the permissions in a PDF and forbid printing the PDF in this way.

Questions and Answers

How can I protect PDF files with a password?

  1. Use the file selection box at the top of the page to select the PDF files you want to protect.
  2. Adjust the security settings and enter your password.
  3. Create the protected PDFs by pressing the corresponding button.
  4. Click on the download button to save the encrypted PDFs on your computer after the protected PDFs have been created.
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