Jun 092013
 

PDFtk or The PDF Toolkit is an open source cross-platform tool for manipulating PDF documents. pdftk is basically a front end to the iText library (compiled to Native code using GCJ), capable of splitting, merging, encrypting, decrypting, uncompressing, recompressing, and repairing PDFs.

If pdf is electronic paper, then pdftk is an electronic stapler-remover, hole-punch, binder, secret-decoder-ring, and x-ray-glasses.
pdftk is a simple tool for doing everyday things with pdf documents. keep one in the top drawer of your desktop and use it to:

  • merge pdf documents
  • split pdf pages into a new document
  • decrypt input as necessary (password required)
  • encrypt output as desired
  • fill pdf forms with fdf data and/or flatten forms
  • apply a background watermark
  • report pdf on metrics, including metadata and bookmarks
  • update pdf metadata
  • attach files to pdf pages or the pdf document
  • unpack pdf attachments
  • burst a pdf document into single pages
  • uncompress and re-compress page streams
  • repair corrupted pdf (where possible)

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Mar 132013
 

Master PDF Editor is a free tool for personal use on Linux systems, it is not open source, but is an option to consider for the tasks involving editing and modifying pdf files.
It is a complete solution for creating and editing both PDF and XPS files, and lets you add content to existing PDF and XPS files. You can add, edit, import, add images. You can also add text, or edit it. Similarly, you can add or remove pages, change the format of the pages, and of course change the PDF information, author, title, subject, keywords and other information about the document.

Besides these features, you can also encrypt and convert PDF files to XPS format.

Another interesting feature of this application is that it lets you create and edit forms, from buttons, combo boxes, list boxes, text entry boxes and more.

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