PDF password protection software is an advance tool to encrypt bulk PDF documents in a single click. AWinware PDF Encryption software is fast desktop program to password protect PDF file. User can set user password as well as owner password with various options for restricting PDF documents. Software facilitates to restrict PDF from copying, printing, editing etc. Software can encrypt PDF document using 128 bit and 40 bit RC4 encryption level. User can set the permission by setting owner password. User can disallow printing, text copying, form filling and page extraction, content copying for accessibility, document signing, commenting etc. Software set user password defined by you on bulk PDF documents simultaneously. User password stands for PDF open password.