Philly Pretzel Factory will be giving away one free pretzel per guest, with no purchase necessary.
Auntie Anne's is offering its rewards members one free original or cinnamon sugar pretzel.
Center City Pretzel Company in South Philadelphia has a "buy 4 get one free" deal.
National Pretzel Day started in Pennsylvania in 2003 after Governor Ed Rendell created it as a nod to the pretzel's history in the state.