Bmp To Png

can any body tell me in detail giving photoshop actions

how to covert bmp to png for making icons?

separating a long png into 2 so that ican make icons?

join2 pngs not to forget transparency?

You have access to Google right?

Thats basic Photoshop skills, just read the users manual...

No need for actions

You can you that in MS Paint... Not sure bout the transparentcy though