Restore password to pdf, remove protection from pdf
This simple program is designed to restore password to pdf file. This handy tool will be indispensable cases, if the password to the pdf document is hopelessly lost. A distinctive feature of this tool is that it not only can remove protection from pdf document, but also lets you know the password to the pdf document. The program is multifunctional and also password recovery, with it you can set a password to a pdf file and remove protection from pdf document knowing the owner password.
The program allows you to plug in their dictionaries to guess passwords, and specify the type of characters that make up the password and its intended length. The utility supports 40- and 128-bit encryption RC4, and 128-bit and 256-bit encryption AES. The new version allows you to specify the number of threads to run password guessing. Moreover, it added the ability to interrupt the process of finding the password, close the program and then restart it and continue the search for a convenient time for the user.