The other day I released version 0.1.1 of sandi, a data encoding/decoding library supporting the following encodings: base16, base32, base32hex, base64, base64url, base85, quoted-printable, uuencode, xxencode, yEnc I believe it's reasonably fast, but I still have to look more closely at criterion to get some hard numbers confirming that :) More details can be found at http://hackage.haskell.org/package/sandi /M -- Magnus Therning OpenPGP: 0xAB4DFBA4 email: magnus@therning.org jabber: magnus@therning.org twitter: magthe http://therning.org/magnus Perl is another example of filling a tiny, short-term need, and then being a real problem in the longer term. -- Alan Kay