PDFtk

PDFtk (short for PDF Toolkit) is a toolkit for manipulating Portable Document Format (PDF) documents. It runs on Linux, Windows and macOS. It comes in three versions: PDFtk Server (open-source command-line tool), PDFtk Free (freeware) and PDFtk Pro (proprietary paid). It is able to concatenate, shuffle, split and rotate PDF files. It can also show and update metadata. Both CLI and GUI versions of PDFtk are available.

pdftk-java is a port of PDFtk into Java which is developed by Marc Vinyals and GPL licensed. The initial release was on December 30, 2017.

• List of PDF software

• Official website
• PDF Chain, a GUI for Linux (GPL)
• An older GUI, working under Windows and most Linux distributions (GPL)
• PDFTK4ALL, a GUI for Windows (GPL), last release 0.2.1.0 beta from February 25, 2009 including a copy of PDFTK 1.41
• PDFTK Builder, a GUI for Windows (GPL), last release 3.10.0 from July 13, 2018