The 22-year-old Ventura County Fusion star has been on trial at Goodison Park and earned a deal.
“Anton really impressed myself and the coaching staff with his attitude and undoubted ability,” said Everton boss David Moyes.
“We are therefore delighted to give him the chance to establish a professional career here at Everton.”
“It’s a cliche to say, but it really is a dream come true,” said Peterlin.
“I’ve always aspired to play at the highest level.”