Web-design software will not allow you to make significant changes to images, aside from changing the size. If you plan to use images extensively in your web design, invest in a good program and take advantage of the training and expertise offered by the IDEA Lab. Gif images are the most common. Most image-editing programs can import and export gif images. They do not take up a great deal of file space and will load relatively quickly when a page is opened.
Jpg images are photographic quality and can be very large, hence causing a page to load more slowly.
Understanding the technical details of the various image formats is not important. We are not covering this feature, but you can specify a video file to play when the image is loaded. Appearance You can specify alignment of the image relative to the web page or table cell as well as the distance you want around your image, horizontally or vertically. This is also where you can change the size of the image. These are all of the basics you need to know to begin working with images in your web pages.