PDFTrans is a small front-end to the iText PDF library. It's a simple utility that allows you to add metadata, protect, and encrypt PDF files.
|Operating Systems||OS Independent|
Release Notes: This version includes a Unix shell script and a Windows batch for ease of use. Also included is a Windows batch to allow drag-n-drop. It contains some modifications: an option --encryption-bits to select the encryption strength, reusing of original metadata, better error checking, and reporting.