Plurl is a MacOS X helper program that allows users to change hidden preferences simply by clicking on specially-designed webpage links. Although the same results can be accomplished by using the Terminal or other programs, none of them are as foolproof as using Plurl.
View the FAQ for answers to frequently-asked
A beta version is now available for download.
See examples of what can be done.
View the specification of the link syntax.
Read the BSD-style license.