29 11, 2019

Methods with Losses: JPEG2000 and JBIG2

Categories: Formats, PDF|Tags: , , , , |

Previously published in the PDf Optimization In-depth Series: 1. Introduction to the Optimization of Existing PDF files: Methods 2. Lossless Methods: Optimization of Document Content 3. Lossless Methods: Compression of Streams and Fonts Sometimes, when acceptable or necessary, it may be interesting to recompress images [...]

22 10, 2019

Lossless Methods: Compression of Streams and Fonts

Categories: General, PDF|Tags: , , , , , , |

Here are the links for the two previous articles of the series: https://www.gdpicture.com/blog/pdf-optimization-series-part1-methods/ https://www.gdpicture.com/blog/pdf-optimization-series-part2-lossless-methods/   A PDF document is composed of various data structures, described as different objects. In the scope of optimization, one is particularly important: the stream object. This object aims to store [...]

17 10, 2019

Lossless Methods: Optimization of Document Content

Categories: General, PDF|Tags: , , , , , |

The first article of our PDF Optimization In-depth Series is available here. The PDF format is interactive. During the release cycle of a PDF document, different people will use tools such as forms, annotations, attachments, and more. Archived PDF documents generally do not have the [...]

10 10, 2019

Introduction to the Optimization of Existing PDF files: Methods

Categories: General, PDF|Tags: , , , , , , |

This paper was originally a presentation in French delivered at the PDF Day – France by Loïc Carrère, CEO of ORPALIS, in April 2019. Organized by the PDF Association, the PDF days are the meeting place of the PDF industry, where experts conduct educational (non-commercial) [...]

29 07, 2019

PDF Optimization: An Overview

Categories: New Releases, PDF|Tags: , , , , , , , , , , |

Hi everyone, We continue our PDF Optimization series (started with two articles about fonts, Pack and Optimize Fonts in PDF and Fonts Optimization in PDF with a broader overview of what you can do to optimize PDFs. It’s not news, electronic documents are everywhere. Electronic [...]