How can i edit my photo to be 300 by 300 pixels?

i need a 300 by 300pixel passport photo, to attach to some documents, anything more or less will not be accepted. how can i use my digital camera to achieve this please. (my camera is kodak 7.1 mega pixels) thanks

i have sent it to your mail ,chuckbout@yahoo.com.
thank you in anticipation.

Email it to me and I'll do it for you in the morning if that's not too late. chuckboutwell@yahoo.com