Image extensions

[MVP]

How do I change the extensions of an image saved on my computer?

i.e. changing a .bmp to a .gif

I tried doing it with IrfanView, but I can't figure out how to do it correctly.

[Mike the Metal Ed]

I use "Save As..." in paint.

[MVP]

Yeah that worked, and I can use that in IrfanView, thanks.

If I could rep you I would.

[Bad Guy]

lol @ pic. thanks for the info hardkore i needed to know that for my av