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PDF Clown

Open Source PDF Library for Java and .NET

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PDF Clown is an open-source general-purpose library for manipulating PDF documents through multiple abstraction layers, rigorously adhering to PDF 1.7 Specification (ISO 32000-1). Available for Java and .NET platforms.

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PDF Clown 0.2.0
Introducing you to the next version:

  • Powerful content manipulation
  • Enhanced page rendering
  • Styled page composition
  • Extensive enhancements throughout the code base

Overview

Discover the features of PDF Clown, aiming to provide a universal access to PDF documents through an accurate and elegant object-oriented API.

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Resources

Learn more about the use of PDF Clown with code samples, documentation and support.

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Development

Delve into the development of PDF Clown, understand its conventions and get the big picture about its status and future plans.

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Poll

Consulting

Do you need any customization to fit PDF Clown in your business process or an OEM/ISV license to embed PDF Clown in your own product? Do you want to prioritize the development of a feature you miss? Would you like ad-hoc support? Read more...

Donations

Has PDF Clown been beneficial to your activity? Please consider making a donation to let it keep on kicking and evolve, thank you!

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Roadmap

Next Release (0.2.0)July 1, 2015

RSS Recent activity

  • Hakan posted a comment on discussion Help August 24, 2020
    I think Stefano, the author of this Project has abandoned this and is not responding to questions or forum posts anymore. Project started ambitious and gave information about a lot of features, it also speaks about AcroFormFlatteningSample here https://pdfclown.org/2014/09/12/waiting-for-pdf-clown-0-2-0-release/ but after 2015/2016 there seems very little ne […]
  • Hakan posted a comment on discussion Help July 28, 2020
    Hello, is there an update to appearance stream in the 2.0.0 release ? https://www.nuget.org/packages/PDFClown.NET/ In particular, how can someone set the 'RichTextValue' property of an existing Form field that already has the 'isRichText' property enabled?
  • Hakan posted a comment on discussion Help July 12, 2020
    Hello, can the latest version of PDFClown 2.0.0 (https://www.nuget.org/packages/PDFClown.NET/ ) be used to embed all missing fonts in an existing PDF file ? If so, how can this be done - a simple Prototype code would be nice thank you -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus
  • sohel shaikh posted a comment on discussion Help June 19, 2020
    You can use TextMarkup for Highlight,Squiggly,Strikethrough, and underline. and for font styling, you can use TextChar.getStyle() which will return object of TextStyle
  • Paweł Saniewski created ticket #91 April 14, 2020
    Array.Copy(...) in Buffer.Read(...) throws ArgumentException when extracting text

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Blog

  • PDF Clown 0.2.0 — Enhanced content handling September 12, 2014
  • PDF Clown 0.1.3 — Document Inspector February 11, 2013
  • PDF Clown 0.1.2 released February 11, 2013
  • What about screencasts on PDF Clown use? January 20, 2012
  • PDF Clown 0.1.2 — Multimedia and lots of good stuff December 9, 2011

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About

PDF Clown started in 2006 as a general-purpose PDF library focused on the rigorous implementation of PDF 1.7 specification (ISO 32000-1).

Clean design (smooth API, solid architecture) and adherence to open standards are its main objectives.

PDF Clown is currently available for Java platform and .NET framework.

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