Originally posted by j.vilon
yes, but is not jpeg.. it's 10 or 11 format's..
but where i can download 1 software for linux to reduz de kbs of a pic?
Seriously you can't be asking the same question after given valid and good replies? Use the Gimp, its most likely already installed as most distros come with it.
And for some advice, you should learn more about graphic manipulation to deal with graphics, their sizes, qualities and so on..