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Prince XML

Original author(s) Michael Day[1]
Developer(s) YesLogic Pty Ltd
Initial release April 2003
Stable release 9.0 / July 2013; Template:Years or months ago (2013-07)
Written in Mercury
Operating system Microsoft Windows, Mac OS X, Linux, Solaris, FreeBSD
Type converter
License Proprietary

Prince is a proprietary software program that converts XML and HTML documents into PDF files by applying Cascading Style Sheets (CSS). It is developed by YesLogic, a small company based in Melbourne, Australia.


In April 2003, Prince 1.0 was released, with basic support for XHTML, Cascading Style Sheets (CSS), Scalable Vector Graphics (SVG), and arbitrary XML. This first version was a command-line program that supported Microsoft Windows and Linux; there was no graphical user interface for Windows yet.

In subsequent releases, CSS support was steadily extended until it was comparable with web browsers such as Opera and Mozilla Firefox. As of January 2007, Prince surpassed common web browsers in support for paged media, CSS selectors, and generated content, including advanced facilities such as language-dependent hyphenation dictionaries.[2] It has also been expanded to support additional platforms—the latest offering include packages for the Apple Mac, Freebsd, and Solaris platforms.

In December 2005, Prince 5.1 passed the Acid2 test from the Web Standards Project. It was the third user agent to pass the test, after Safari and Konqueror.

The latest release of Prince is Prince 8.1, released in June 2012.[3]

Prince was developed using the Mercury functional logic programming language.


  • Prince 5.1 Passes Acid2 Web Standards Project announcement, December 10, 2005
  • PrinceXML Is Extremely Impressive Ryan Tomayko, February 3, 2008
  • Interview with Michael Day of Prince XML by Olimpiu Metiu, Page 33, Published at: June 28, 2010, Rails Magazine
  • Prince XML: Generating High Quality PDFs from HTML + CSS, 15 Nov 2007, GoogleTechTalks, YouTube Video

External links

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