Yes of-course it is possible to remove all restrictions from PDF file with Adobe PDF security removal software. This is a one of the best third party tool that is capable to remove owner password security as well as USER password security at a same time without any charge. PDF Unlocker software supports decryption of 125-bit or 256-bit encryption level security. Here are the other salient features of this PDF security removal tool you might be interested to see: - Remove owner password security - Enable PDF files for copying/editing/extracting/printing - Unlock multiple Adobe PDF files at a time - Does not need Adobe Acrobat installed - Support all version of Win OS (including Win 7 and Win Vista) - Comes with 30 days money back guarantee. You can download free trial exhibition of this software for judging the product availability. To unlock unlimited Adobe PDF files, you can purchase full pro version of PDF Unlocker tool at just only 29 dollars (cost for single user only).