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.

PDF

How to extract text from a PDF as JSON

Some PDF files can be “tagged” which means they contain information about the structure of the file. This structure is embedded as metadata within...
Jacob Collins
1 min read

How to process PDFs for use with AI (Tutorial)

As Artificial Intelligence becomes more popular for processing large bodies of text, it becomes apparent that PDF files pose a challenge. PDF is a...
Jacob Collins
1 min read

What is inside a PDF file?

A PDF document structure consists of several components that determines how text, images and other elements are stored and displayed. It is a binary...
Jacob Collins
1 min read

PDF.js Alternative for PDF Documents

Display Documents on Web Apps PDF.js is maintained by Mozilla for Firefox, but it works reasonably well with other browsers. It allows you to...
Leon Atherton
1 min read

How to sign PDF files in Java (Tutorial)

PDF files are not natively supported in Java, so to digitally sign them, you will need some special software. This tutorial demonstrates how to...
Jacob Collins
29 sec read

PDFBox alternative

Working with PDF documents in Java, developers often encounter the choice between open-source libraries like Apache PDFBox and commercial solutions like JPedal. While PDFBox...
Jacob Collins
1 min read