PDF users always add securities that can limit unwanted access to a PDF by setting passwords or by restricting certain features like editing and printing. 2 types of Adobe PDF passwords are available, and here I am going to disclose you everything about these 2 passwords.
Also known as user password. With an open password, users must enter the password you set to open the PDF.
Also known as permission password. With an owner password, users don’t need to enter a password to open the PDF, but they have to enter the permission password to set or change the restricted features.
PDF can enforce various restrictions on documents operations, take a look at how these permission restrictions protect your PDF files.
Printing Allowed Specify the level of printing that users are allowed.
Changes Allowed Defines which editing actions are allowed.
Enable Copying of Text, Images, And Other Content (Available only for 128-bit RC4 or AES encryption) Allow users to select and copy the PDF contents.
Enable Text Access For Screen Reader Devices For The Visually Impaired Allow users with visual impairing to read the documents with screen reader but allow to copy or extract.
Check the following table to understand which restrictions each type of PDF Password puts on your protected files.
In conclusion, if you well understand how PDF password works to protect your files, you will find the most efficient and effective way to protect even unprotect your PDFs. You won’t be stuck with annoying troubles like removing password protection or recover PDF password any more.
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