Get a free large coffee this Friday at participating 7-Eleven locations in honor of National Coffee Week. McDonald's is celebrating as well, offering free small coffees at their East Coast locations.

Free coffee Friday Sept. 28 2012 at 7-eleven (Flickr: Woofiegrrl)

There is no purchase necessary to obtain the free coffee at 7-Eleven. Participating 7-Eleven convenience stores will be offering free large 20-ounce coffees Friday Sept. 28 from 6 a.m. to 10 p.m.

McDonald's will be serving up the free small coffees from Sept. 25 through Sept. 29.

"We're grateful to our customers for their long-term loyalty to the Golden Arches," said McDonald's Regional Marketing Director Rick Rehak in a PR Newswire press release. "We're thrilled to share our Premium Roast McCafe Coffee with no strings attached – just visit McDonald's and enjoy a FREE small McDonald's coffee on us."

On Saturday Sept. 29 Krispy Kreme will be offering free 12-ounce cups of coffee at participating Krispy Kreme locations with no purchase necessary in honor of National Coffee Day.