What's the difference between GIF files and JPEG files?
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There are a lot of technical differences between the two, but here's the short answer:
Both formats offer some great image compression that results in small file sizes. In general, the GIF format maintains good detail, but reduces the number of colors in the file to get the size down. JPEG maintains a great range of colors, but tends to reduce the sharpness and definition of the images. For this reason, GIF files are usually used for text and logo images, while JPEG files are usually used for photos.
To learn from the pros, don't hesitate to "right click" on the images you see on web sites and select "properties" from the context menu that appears. In the properties, you will see the file name, which will indicate what format has been used for the image. If you want to experiment further, take a variety of images and save them as both GIF and JPEG files. Then, compare the size, overall quality, color range and sharpness of the various images to each other.
To learn from the pros, don't hesitate to "right click" on the images you see on web sites and select "properties" from the context menu that appears. In the properties, you will see the file name, which will indicate what format has been used for the image. If you want to experiment further, take a variety of images and save them as both GIF and JPEG files. Then, compare the size, overall quality, color range and sharpness of the various images to each other.
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