Rules of Thumb for best image quality for the size:
Save File as a PSD if one or more
of the following are true
You are not finished with the changes you
need on the graphic
You believe you will want to use some part
of the image in the future
Save as a JPG image if you are saving
for the web and one or more of the following are true
The image is a photgraph
The image has very complex colors and
gradients in it
The image needs more the 256 colors in it,
up to 16 million colors.
Save as a GIF image if you are saving for
the web and one or more of the following are true
The image has large blocks of single colors
in it
Part of the image is transparent
The image does not need more then 256
colors to look good, and you would like to limit the numbers of
colors in the image.
1.
When you have an image ready to save, click the menu item FILE =>
SAVE
2.
Type the name you wish to save your image as.
3. The default format for
saving images in Photoshop is PSD. This will preserve the layers as
you created however is not compatible with web browser viewing.
4. To
select another file type cliuck the downward arrow for the format
field and select GIF or JPG for a webpage.
JPG options:
If you select JPG, the
compression screen comes up and asks you to select the amount of
compression you wish to use. The more compression, the less
quality