It can be really frustrating trying
to get a graphic in the right format for a given application. Say
you need a jpeg or a gif for your web page, but you have a bitmap (bmp).
You're thinking you need a special piece of software, right? More
often than not, no.
Most graphics viewers will allow you to
save whatever graphic you are looking at in another format. Just
look under File, then go to Save As. There is almost always a list
of available formats to save it under.
Something similar is true also
for changing text between formats. Most word processing programs
allow you to save in more primitive formats (e.g., Word format into "ASCII"
or "RTF") as well as converting between applications (e.g., Word Perfect