pdftk (PDF Toolkit) is a command-line tool which enables you to edit pdf files. pdftk is freely available on Linux, MS Windows, MacOS X and FreeBSD. So using pdftk, you can edit pdf files without having to pay for a commercial pdf editor. If you would like to install pdftk on Linux, proceed as follows.
To install pdftk on Ubuntu or Debian:
To install pdftk on CentOS, Fedora or RHEL:
$ wget http://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/pdftk-1.44-src.zip
$ unzip pdftk-1.44-src.zip
$ cd pdftk-1.44-dist/pdftk
$ make -f Makefile.Redhat
$ sudo make install
To install pdftk on other platforms such as MS Windows and MacOS X, you can download pdftk ports for Windows and OS X here.
Once you have installed pdftk on your system, you can edit pdf files using pdftk as follows.
To merge pdf files:
To extract pages from a pdf file (e.g., extract pages 3, 4 and 5 into a new pdf):
To remove pages from a PDF file (e.g., remove page 3 and create a new pdf without the page):
To rotate each page of a multi-page pdf document 180 degrees:
To rotate each page of a multi-page pdf document 90 degrees clockwise:
To rotate each page of a multi-page pdf document 90 degrees counterclockwise:
To reverse the order of pages in a multi-page pdf document:
To select pages of different pdf documents into a new pdf:
It selects pages 3, 4, 5 from input1.pdf, pages 1, 2, 3 from input2.pdf, and page 10 from input1.pdf into a new pdf.
To add a watermark to a pdf file:
A watermark image file (watermark.pdf) is applied to every page of input.pdf.
To merge two pdf files as odd and even pages:
To merge two pdf files as odd and reversed even pages:
To merge two pdf files as odd and reversed/180-rotated even pages:
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