To create a gallery of thumbnail images

The PHP language has image processing functions, which gives exceptional results. Use these functions to create thumbnails.

This tutorial shows you in three steps how to get thumbnails that you can use in the image gallery on a web page.

Part One

Create image thumbnails for web pages

PHP functions of the GD library.
Install the GD.
Comparison of PHP and image processing software.

Part Two

Thumbnails of images in PHP with a specified height and width

Interpolation formulas.
Creates an intermediate thumbnail.
The tombnail gallery is the same size.

Part Three

Equal and centered size thumbnails and graphic formats

Calculates the offset for cropping an image.
Various graphic file formats.
Centered speaker gallery.


Thumbnail Maker

A ready-made script based on this tutorial. Resize images or create thumbnails to create a gallery.

See also...