Add PDF password protection to your file to protect sensitive content. When you encrypt a PDF, only people with the password can view the file content.

Dec 5, 2025 · Learn how to add password security to PDFs in Adobe Acrobat to restrict opening, editing, printing, or copying of documents.

Use the online password protect PDF tool from Adobe Acrobat to keep your files secure. Simply add a password to your PDF to restrict access.

Add PDF password protection with the Adobe Acrobat online tool for free. By adding a password to your PDF file, you can limit access and only allow people with the password to view the file content.

Learn how to password protect PDF files using your PC. Adobe Acrobat makes keeping your information secure simple with our suite of features.

Learn how to secure a PDF file. Secure your sensitive documents and protect PDFs with passwords to ensure only authorized users can access them.

Explore the password protection feature for PDFs to secure your sensitive information and control the PDF permissions. Start a free trial with Adobe Acrobat.

Discover how to encrypt a PDF file to keep sensitive information secure via email. Our guide provides easy steps and helpful tips for protecting PDFs.

Try our free password protection tool Password protect PDF files Add PDF password protection with the Adobe Acrobat online tool. By adding a password to your PDF file, only people with the password …

We’ll show you how to password protect a PDF for free and restrict certain features, such as printing and editing, in Adobe Acrobat.