How to unlock PDF in bulk? If you are also searching for a solution to this query, then download PDF Unlocker Tool. It’s a simple to use application that enables users to unlock PDF in bulk and enable PDF permissions for copying, editing, printing etc. It’s a powerful application that supports various advance options to help users to remove all types password protections and unlock PDF in bulk. Download free demo edition of the software and analyse its performance absolutely free of cost. But free demo tool will unlock 1 PDF only. Buy licensed edition of the software to unlock PDF in bulk, without any restrictions.