Java is a computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.

Java

How to remove text from a PDF in Java…

TL;DR True PDF redaction in Java requires two things: hiding the text visually and removing it from the content stream. This tutorial shows how...
Jacob Collins
2 min read

How to remove unused objects from PDF file (Tutorial)

PDF files sometimes contain objects which are never used. This increases the file size and is wasteful. This tutorial shows you how to reduce...
Jacob Collins
44 sec read

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 convert PDF files to ePUB

Not all PDFs are created equally. Some go beyond simple visual layouts and include internal tags that describe the document’s structure. These are known...
Jacob Collins
1 min read

Java PDF to AVIF conversion (Tutorial)

Why convert PDF files to AVIF images? A PDF is a vector image (so it is rendered when you display it at whatever size...
Jacob Collins
1 min read

How to crop a PDF file in Java (Tutorial)

Our Java PDF library JPedal contains a powerful PDF Manipulator which you can use to crop PDF files as well as performing other common...
Jacob Collins
36 sec read