Invented by Adobe Systems over 20 years ago, the Portable Document Format (PDF) is now an open standard for electronic document exchange maintained by the International Organization for Standardization (ISO). When you convert documents, forms, graphics, and web pages to PDF, they look just like they would if printed.

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Top 9 PDF file questions with answers for developers

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...
Mark Stephens
2 min read

Understanding the PDF File Format

We have been working with PDF files since 1999 and developed complex software to display PDF files. We have learnt a lot about the...
Leon Atherton
3 min read

How to convert Office documents to PDF with Microsoft…

This tutorial aims to create a service that can be used to accurately convert Microsoft Office file formats into PDFs. The service works by...
Jacob Lucas
9 min read

How to view PDF objects

When you develop software to work with PDF files, you often need to be able to drill down into a file and see the...
Mark Stephens
1 min read

How PDF forms use JavaScript for validation

This blog post assumes you are aware of PDF forms. If this is a new topic for you, check out our introductory blog post....
Daniel Warren
4 min read

How to Display Fillable PDF forms in a browser

Displaying fillable PDF forms in Chrome (or in any browser) saves a lot of the manual work of filling in forms, scanning them to...
Madalena Reves
1 min read