AWinware PDF encryption is Windows compatible desktop utility for encrypting & password protecting bulk Acrobat pdf documents. Tool is easy in use and provided with user help manual for instant user support. Create & set pdf open password security. Set PDF user password for file open security & owner password for applying accessibility restrictions like restrict printing, copying & editing. Acrobat pdf encryption software supports RC4 and AES 128-bit & 256-bit long password protection. Only intended recipient can open and view secured pdf document with correct open password input after setting encryption. If owner password is also selected, file can be used only for viewing purpose. File printing, editing, data copying, signing, commenting, form filling & document conversion is not possible if owner master password has been chosen prior to encryption. Pdf encryption software is Windows 8 ready utility, compatible with Windows XP, Vista & 7 operating systems, does not require Adobe Acrobat reader, professional or other expensive utilities. AWinware PDF encryption trial version is provided for product evaluation; creates watermark in output pdf files.