Publisher John Mack has published 1 extension,
based
on 3 users'
rates, John Mack's average rating
is 3.67,
which is ranked
#32086
overall extension publishers.
More than 724
users
has installed their
extension,
which
is rank
#19,301
overall extension
publishers.
Who is John Mack?
John Mack is a
browser extension publisher,
most of their extensions are
fun extension.