How can I change the size of my pictures, which I downloaded onto my computer?

I've downloaded pictures onto my computer, but they are too big to publish on the web or send in emails. So how do I change the size? Thanks for your help in advance.How can I change the size of my pictures, which I downloaded onto my computer?
If you just want to re-size, PIXresizer is small, free, safe and *very* easy to use: http://bluefive.pair.com/pixresizer.htm



If you want to do some basic image editing, IrfanView, XnView and Faststone Image Viewer are all good, safe freebies:

http://www.irfanview.com/

http://pagesperso-orange.fr/pierre.g/xnv鈥?/a>

http://www.faststone.org/FSViewerDetail.鈥?/a>

How can I change the size of my pictures, which I downloaded onto my computer?
shrinkpictures.com
Open them in your paint program, click the image tab and select attributes
http://resizepic.com/ online



http://www.irfanview.com download

irfanview is a graphic viewer you can change the size, and it has a few effects to use. also, you can crop with it. free