This is a GUI utility which allows you to instantly remove various operation restrictions on PDF files, such as printing and editing (even with 128 or 256 bit key, Acrobat 8.x-9.x AES encryption and compressed files supported). It also can decrypt PDF files with password for opening (40 bit key only). Supports dual/quad-core computers, NVIDIA GPU and distributed processing.
What's new in this version:
Version 3.11 includes GPU (NVIDIA CUDA) support for 40-bit key testing.