PHP is not limited to creating just HTML output. It can also be used to create and manipulate image files in a variety of different image formats, including GIF, PNG, JPEG, WBMP, and XPM. Even more convenient, PHP can output image streams directly to a browser. You need to install GD Library for this purpose. Simply you can do this.

An image viewer (also known as image browser) is a desktop application that can quickly display or handle stored graphical images in different graphics file formats. It can render images according to properties of the display such as display resolution, color depth, and color profile. Other image viewers have advanced features like editing and web publishing.

When you open Nautilus you will see files and folders. Most of those files, when double-clicked, will be opened with the associated application. When you double-click on an image icon, by default, the application Eye of GNOME will open and display that file. But what if you wanted that file to automatically open with The GIMP for image editing? There are a couple of ways to do this.

Save for Web allows to find compromise between minimal file size and acceptable quality of image quickly. While adjusting various settings, you may explore how image quality and file size change. Options to reduce file size of an image include setting compression quality, number or colors, resizing, cropping, Exif information removal, etc.

Last week, Microsoft published the binary file formats for Office. These formats appear to be almost completely insane. The Excel 97-2003 file format is a 349 page PDF file. But wait, that’s not all there is to it!

swfdec-gnome is a very good Tool to play SWF files (Macromedia Flash) on GNOME. This package contains programs to integrate Flash functionality into the GNOME desktop. It's main application is swfdec-player, a stand-alone viewer for Flash files. It also contains swfdec-thumbnailer, a program that provides screenshots for files to display in the Nautilus file manager.

Image viewers are used to display or handle stored graphical images in different graphics file formats. Following are some of most widely used Image viewers for Linux you can consider using. They are all unique in their own way.

Gnome Zeitgeist is a tool for easily browsing and finding files on your computer. It keeps a chronological journal of all file activity and supports tagging and establishing relationships between groups of files. GNOME Activity Journal provides a GUI for Gnome Zeitgeist and it is somewhat similar to a Linux file browser called Nemo.

It's still a work in progress, but GNOME Activity Journal already offers a nice at-a-glance look at your file work over the last few days, offering usage charts, image previews, and quick file access.