https://blog.idrsolutions.com/tag/pdf-format/ PDF tips and JPedal highlights en-US hourly 1 https://blog.idrsolutions.com/the-best-pdf-inspector-tools-for-developers/ Jacob Collins Fri, 19 Jun 2026 09:27:44 +0000 https://blog.idrsolutions.com/?p=39637 If you have ever opened a PDF in a hex editor at 2am trying to work out why a font is missing or why... https://blog.idrsolutions.com/how-to-make-a-pdf-file-manually/ chika Thu, 14 May 2026 11:27:09 +0000 https://blog.idrsolutions.com/?p=39083 Table of Contents Intro: What a PDF Actually Is 1: PDF Objects and Data Types 2: Structure of a PDF File 3: Create a... https://blog.idrsolutions.com/what-is-a-pdf/ Mark Stephens Tue, 10 Sep 2024 18:12:15 +0000 https://blog.idrsolutions.com/?p=34861 What Is a PDF?PDF stands for “Portable Document Format.” It’s a widely-used file type designed to display documents consistently across different devices. If you... https://blog.idrsolutions.com/top-9-pdf-file-questions-with-answers-for-developers/ Mark Stephens Mon, 21 Mar 2022 10:13:42 +0000 https://blog.idrsolutions.com/?p=125 PDF stands for “portable document format”. It is a binary format made of objects -number, strings, arrays, dictionaries, streams and keywords ‘null’. Let’s understand... https://blog.idrsolutions.com/how-to-edit-pdf-files/ Sam Howard Thu, 20 Jun 2013 09:00:00 +0000 https://blog.idrsolutions.com/?p=7825 Mark has previously written about how to edit PDF files by adding a second reference table, and Daniel made a whole series on making... https://blog.idrsolutions.com/why-cant-i-just-open-and-edit-a-pdf-file/ Mark Stephens Tue, 15 Jun 2010 04:51:48 +0000 https://blog.idrsolutions.com/?p=102 People sometimes try to edit a PDF file by opening the file in a text editor. This very rarely works for 3 reasons. Firstly,... https://blog.idrsolutions.com/understanding-the-pdf-file-format-text-shapes-and-images/ Mark Stephens Wed, 26 May 2010 05:03:14 +0000 https://blog.idrsolutions.com/?p=116 I have been looking at an issue for a potential client recently which required the generation of different views of the page. This is... https://blog.idrsolutions.com/understanding-pdf-text-objects/ Mark Stephens Tue, 06 Apr 2010 05:30:05 +0000 https://blog.idrsolutions.com/?p=145 Understanding PDF Text Objects Inside a PDF is a Postscript stream of commands which describe the page – they draw the text, images or... https://blog.idrsolutions.com/how-to-calculate-pdf-page-size-in-inches-or-centimeters/ Mark Stephens Thu, 18 Mar 2010 06:36:18 +0000 https://blog.idrsolutions.com/?p=155 PDF page size is generally defined by the CropBox or MediaBox setting for each page. This is the number of pixels. This provides a... https://blog.idrsolutions.com/how-big-is-a-pdf-page-size-in-bytes/ Mark Stephens Sun, 18 Oct 2009 07:55:03 +0000 https://blog.idrsolutions.com/?p=218 We all know how big a PDF file is in bytes, but how big is each page? To answer this, you need to understand...