Fast-food chains aren't necessarily a destination for the most elegant or highest-quality food, but they still manage to bring in customers with the simple proposition of getting a quick, filling meal at a lower price than higher-end brands.
However, rising costs for food, labor, and other commodities in recent years have spurred brands to start implementing changes that are causing them to lose favor among certain customers.
A McDonald's Quarter Pounder with Cheese promises a full quarter-pound beef patty, but customers have been greatly disappointed by the protein portions in the signature burger lately.
If you've suspected that the piece of chicken on your Chick-fil-A sandwich has gotten smaller lately, you're not alone.
Not all fast-food fans in the United States may know about Zaxby's, since the regional chicken chain is mostly concentrated in the South.
There's something fishy going on with portion sizes at Arby's lately, according to customers. Earlier this year, an Arby's patron called attention to an apparent downsizing of the drinks and fries, despite prices remaining the same.
Five Guys is famous for providing overflowing portions of its popular fries, but some customers say the burger chain has gotten a little more stingy lately with those deep-fried, seasoned spuds.
Last year, a customer complaining about "shrinkflation" took to Reddit to ask fellow customers if Five Guys had reduced the size of its burger patties and french fry portions.