As GIFs, Not JPGs
Going against everything we've been taught prior to Version 5. Adobe has
drastically improved Photoshop's index color conversion, which makes for
higher quality 8-bit,
(click here to go to CNET's very detailed
description of color depths),
256-color versions of 24-bit images. Web builders now have more options
when deciding whether to save an image as GIF or JPG. Traditionally, photorealistic
images are saved as JPGs.
Use "File-"Save for Web" to compare and preview images.
Try it as a JPG, then as a GIF. Compare sizes. Try converting 24-bit RGB
images to 8-bit, indexed-color GIFs for Web use. This approach potentially
reduces file size while retaining image quality.
The two pictures shown here started life as 24-bit RGB digital
photos. Ok, not the best picture in the world, but the only one I had
This photo was saved--as age-old conventional
Web wisdom dictates-- as a JPEG. The Size? 11K
the original photo as a GIF with Photoshop 5.0 produces an image
virtually identical to the JPEG version. The Size? A mere 6K