In this tutorial you can learn more about Using the GD Library to watermark your images!

Now this is a pretty simple tutorial on how to create a nice simple reflection on images. This won't show you how to make little ripples just yet.

Learn how to crop images using PHP's GD

Create a dynamic bar chart with PHP and GD Library.

Most of us have probably encountered a Captcha system on the web in the past few years, sometimes without even knowing it. Captcha systems are designed to filter out automated "spam bots" from posting to websites that accept submissions such as forums and blogs by asking the user to solve a problem. These problems can range from typing in the letters and numbers displayed in an image to answering a simple math question or selecting the correct image.

Learn how to create drop shadows easily with GD Library and Photoshop

This tutorial is about creating Thumbnails with PHP and the GD Library

Ever wanted to become adept in PHP's GD library? This article will show you how to create a bar chart using the PHP GD library.

Using JavaScript, PHP and the GD library, we are going to draw a bar chart showing the binomial distribution for 0 to 10 successes out of 10 trials based upon the probability for success entered by the user in a form.

Resize images on the fly with this handy piece of code.

Image resizing is relatively very simple if you know how to work with images in PHP. Make sure you have the GD library installed before attempting this tutorial

This tutorial is about creating images with PHP and the GD extension

Learn how to Center your GD text dynamically on images

This tutorial is about Random Scrolling Marquee Using PHP for text or images!

This tutorial will explain how to simply randomly rotate multiple banners

The GD library in PHP offers some great tools for resizing and editing images. However, these can increase load time and it would be beneficial to enable client side caching of these resources. You can do this by adding one simple line of code to your image output.