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Brotli compression coming to PDF

March 2025 by Peter Wyatt, Robin Watts

In October 2023, the PDF Association launched a public request for stakeholder feedback on aspects of PDF that could be usefully updated.

We explored various subjects at that event, including HDR, new color capabilities, new font technology, animation, accessibility, new 2D and 3D graphical formats, and improved compression methods. Although several of these are under active development today in the PDF Association’s Imaging Model TWG, this article deals with a new method for optimizing PDF file size.

Brotli, a compression algorithm developed by Google engineers, was originally intended for web use, and is broadly adopted in web browsers. When implemented in PDF Brotli compression can offer significant reductions in file-size. Learn more!

PDF professional(s) for hire

January 2024 by PDF Association staff
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The PDF Association is launching a new benefit specifically designed for Individual members.

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January 2024 by PDF Association staff
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LibreOffice now supports PDF/UA! AI LLMs’ support for PDF is substandard, and is retarding innovation. Yet more misinformation about malware. … Read more

PDF in the Wild

January 2024 by PDF Association staff
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A major focus of the PDF Association’s work is to increase awareness and adoption of standards and best practices for … Read more

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January 2024 by PDF Association staff
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The PDF, ICC, NITF and video datasets used in SafeDocs’ performer hackathons and evaluations are now available for download from … Read more

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January 2024 by PDF Association staff
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Adobe’s Standards Support Endowment, now in its sixth year, facilities administration of ISO TC 171 SC 2 and sustains the … Read more

PDF Association news

January 2024 by PDF Association staff
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Greet Melina, our dedicated Member Benefit Manager. From tailored business support to navigating communities, she’s here to amplify your membership … Read more

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January 2024 by Matthias Wagner
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The PDF Association has updated its website to make content and resources easier to find. We hope you like it!

PDF Association news

December 2023 by PDF Association staff
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In 2023, the volunteers and staff of the PDF Association were busier than ever, with new working groups, resources, and … Read more

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December 2023 by PDF Association staff
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PDF Week Online 2024 consists of 16 PDF Association Working Group meetings and 2 ISO working group meetings.

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December 2023 by Duff Johnson
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It’s difficult to find other search terms that share PDF’s continuous upwards trend. Few technologies show this resilience, especially over … Read more

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December 2023 by PDF Association staff
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Verizon is tricked by a fraudulent PDF, a family tree of PDF specifications, veraPDF is tops for the Open Preservation … Read more

PDF in the Wild

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