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.

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.

How to add passwords and permissions to PDF files: Open a file in Acrobat and choose “Tools” > “Protect.” Select whether you want to restrict editing with a password or encrypt the file with a …

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.

Look for the security or protection menu and select the option to encrypt or password-protect the PDF file. Choose the encryption method you prefer, and set a password for the recipient to enter to open …

Jan 28, 2026 · Learn how to add a password to your PDF to protect others from opening or editing the PDF file. Protecting your PDF files prevents unauthorized access, protects sensitive information, …

Dec 10, 2024 · Learn how to add password security to a PDF. You can secure your PDF files by easily setting passwords through Acrobat on the web tool. This ensures your documents remain private and …