How can i change the font and the size of the page of a pdf file?

i want to change it so each page can fit the mobile screenHow can i change the font and the size of the page of a pdf file?
You DON'T have to have Acrobat, which is the most overrated, overpriced and overhyped software I know of. But you DO have to have a PDF Editor. Something that a lot of other programs have. Adobe costs $600, Foxit costs $39. And there are others.How can i change the font and the size of the page of a pdf file?
You have to have adobe acrobat, adobe acrobat reader will not let you change anything...

If you do have the full version software the attributes should be under %26quot;fonts%26quot;...