JDeli is a Java image library for reading, writing, converting, manipulating and processing a number of image file formats. Find out more here.

JDeli

What are Indexed Colorspaces?

What are Indexed Colorspaces? Indexed Colorspaces store a list of the colors used and reference that list to get the color of each pixel,...
Mark Stephens
52 sec read

Image Optimisation: What PNGQuant is and why you should…

What is PNGQuant? PNGQuant is a free to use, open source (available under a BSD-like license) command line utility and library for converting PNG...
Leon Atherton
3 min read

Replacing the deprecated Java JPEG classes for Java 7

In the early days of Java, Sun produced a really handy set of classes to handle JPEG images. These included some really nifty little...
Mark Stephens
1 min read

Java CMYK to RGB conversion – speed comparison of…

Some optimisations are best left to Java. For example a System.arraycopy is the fastest way to create a new version because it is optimised...
Mark Stephens
1 min read

How to Convert CCITT data to TIFF image

What is CCITT data? CCITT is used to compress black and white image data. Using Huffman encoding, the data is squeezed into a much...
Mark Stephens
1 min read