/bin This is an example returns:
010101000110100001101001011100110010000001101001011100110010000001100001011011100010000001100101011110000110000101101101011100000110110001100101

/bin 010101000110100001101001011100110010000001101001011100110010000001100001011011100010000001100101011110000110000101101101011100000110110001100101 returns:
This is an example

/txt2hex This is an example returns:
5468697320697320616E206578616D706C65

/hex2txt 5468697320697320616E206578616D706C65 returns:
This is an example

I actually am working on an RGB HEX converter like Hawkee mentioned using some of the stuff already available with mIRC.