Random Stuff:
CUpLA7kaEIE5Ej9WoXs8XTQT8c7zyIiC

Easy to read:
RKR24RMU1HHUD4PHTT85UCM200DMREMH

Passwords:
(|C0'[]eq3m0N>5{8|]Rm0[Pj)h<t?J~

URL-safe:
dE_aywNTjHeDEXUrrMWA4Sie~EMRIVvv

Lower-case:
qjsicxirnuaiqwiwcwswnrrechfrnlie