Datalogics Knowledge Base

I have a PDF document that is locked to avoid editing. I have the password, but I want to change the password and permissions.

May 28, 2025 APDFL, Adobe PDF Library, permissions, password, AddPassword, EncryptDocument, SetUniquePermissions 0 0 0/5 (0 Vote)

In order to change permission on a document, you must have a password that permits you to change permissions, and you must open the document with that password. Call PDDocGetPermissions() to see if you have the authority to change permissions for a... Read More

Can the Library process password protected files?

Mar 31, 2025 APDFL, Adobe PDF Library, Library, Password, Encrypt, EncryptDocument, LockDocument, OpenEncrypted, Security, AddPassword, SetUniquePermissions 0 0 0/5 (0 Vote)

Adobe PDF Library honors any document security found in an input PDF document. If the document is password-protected, the application will need to provide the correct Owner or User password required to open it. If the document is opened with the... Read More

Controlling PDF Access: Applying Restrictions with Adobe PDF Library in .NET Core

Apr 2, 2025 APDFL, Adobe PDF Library, PDF Restrictions, .NET Core, Disable Copy, Disable Text Selection, PDF Security, Secure PDF, PDF Permissions, SecureDoc Sample, Datalogics, Prevent Text Copy, PDF Viewer Limits, PDF Protection, Acrobat Restrictions 0 0 0/5 (0 Vote)

Controlling access to PDF content is essential for organizations looking to protect sensitive information. This guide explains how to apply restrictions to a PDF using Adobe PDF Library (APDFL) in a .NET Core environment, specifically to prevent... Read More