Split, combine, encrypt, compress: jPDF Tweak is a one-stop PDF toolkit

March 18, 2014 – 16:03 by in Tips Print Share No Comment

jPDF Tweak is an open source Java Swing application which provides a host of ways to customise, adjust and work with PDF files.

You can split or combine documents, for instance. There are crop, rotate and scaling options. Or you can apply text or image watermarks.

A “Page Number” can adjust the page numbers which appear in your PDF reader, very useful when they don’t match the numbers on the document itself.

The interface is a little plain, but there’s nothing basic about jPDF’s functionality

Elsewhere, there are tools to add bookmarks and attachments. An “Interaction” module can turn documents into a slideshow, where pages flip automatically with your preferred transition effect. And you can both encrypt and decrypt a document, and set or deny all the usual permissions (can’t print, can’t copy and so on).

There are assorted other tools to optimise and compress PDFs, set their metadata, even export your source PDF as a multipage TIFF.

The interface for all this is, well, basic. There are no toolbars here, no menus, icons or graphics, barely even any colour. You just have to browse eleven tabs, checking boxes, filling tables and generally choosing whatever options you need.

jPDF Tweak isn’t particularly difficult to use, though, and with some help from the online manual you’ll soon figure out how it all works. Take a look.

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