asked and answered many times before, do a search. Not to mention the sticky "BEFORE POSTING ANYTHING - LOOK HERE-IT HAS LINK TO ALL PROGRAMS" has the programs you'd need.
It's called PAL2NTSC - and WEStar is correct, this gets asked and answered so many times that it wouldn't have been hard to find in the search bar or the stickies.
DomHo, edit your 2nd post before i leave a nasty in there or worse!! paddymail, reduce your sig to forum specs of 50k as i've done it to 31k as jepeg