Notation conversion

Hello,
this is a fairly common question, but I'm having trouble to find a good answer: is there an existing library that converts the long algebraic notation (g1f3) to standard algrebaic notation (nf3), and if so, how to use it ?
Thanks.
this is a fairly common question, but I'm having trouble to find a good answer: is there an existing library that converts the long algebraic notation (g1f3) to standard algrebaic notation (nf3), and if so, how to use it ?
Thanks.