It’s not pretty, but pdftk will whip your PDF files into shape

screenshot of pdftk

The Portable Document Format (pdf) is the cross-platform standard for document distribution. Allowing the combining of formatted text and images, it's the perfect package to get the word out to whoever you need to communicate with. Unfortunately, the official tool to manipulate files in this proprietary format, Adobe Acrobat, isn't cheap. It would be nice to be able to tweak your pdf files without emptying your wallet.

Pdftk is a Swiss army knife for manipulating pdf files, and best of all, it's free. It's a command line utility, so it's not the prettiest thing in the world, but if you're comfortable opening a terminal window/DOS box, you can accomplish a lot with only a couple of keystrokes. You can, for example, merge multiple documents into one file, break a single pdf document into multiple documents, rotate a page, or even add a password.

Pdftk is available with installers for Windows, OS X, Linux, and other UNIX and UNIX-like systems.

Download pdftk

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