Celebrate Tax Day 2017 with these deals and freebies See the top promotions available on April 18.

 -- The deadline for filing taxes has been extended this year to today, April 18, but that doesn't eliminate the stress. To alleviate the pain from meeting this dreaded deadline, some companies are offering deals that everyone can enjoy.

Whether you are expecting a refund from Uncle Sam or not, Tax Day is now synonymous with deep discounts across the U.S. on products from food to flights.

Check out the list below for some fun Tax Day deals and treats.

Tax Day deals: Food and drinks

Bertucci's: Small pizzas will cost just $4.18 at lunch time, and for dinner the Italian restaurant chain offers cheese, margherita or pepperoni pizzas for just $10.40 each.

Bruegger's Bagels: The popular bagel chain is offering a deal it claims is "better than a refund." Customers can buy the big bagel bundle for $10.40 -- a discount of $3.50.

Capriotti's: The sandwich shop will offer its medium-size sandwiches for the same price as small ones on April, 18.

Firehouse Subs: Enjoy a free medium sub when you buy a medium or large sub, chips and a drink, valid April, 18 to April, 20.

Great American Cookies: Pick up a free birthday cake cookie on Tax Day -- no purchase necessary.

Hungry Howie's: The famed flavored-crust pizza joint is offering anyone who buys a large one-topping pizza at full price the deal of getting a medium single-topping pizza for only 18 cents. Use the promo code TAXDAY, which is valid for online and carryout purchases April, 17 to April, 19 at participating locations.

Kona Ice: The company is celebrating April 18 with its fourth annual "Chill Out" day by offer free shaved ice with the slogan, "No taxation without relaxation."

Schlotzsky's: Get a free small "The Original" sandwich on Tuesday with the purchase of chips and a medium drink.

World of Beer: Enjoy $5 off your check or a free select draught on Tax Day at participating venues, where legal.

Nonfood deals

JetBlue: If you owe taxes to "the man" this year the airline is offering entry to its contest for a free return flight. By clicking "yes" on the company's online form, customers will be entered to win one of 1,000 flights. Entries are allowed once per day before April 25. For more rules and discounts, see the website.

Planet Fitness: Relax with a free HydroMassage at participating gyms with coupon available online. Offer is good through April 22.

New York Yankees: Fans can snag tickets for $4.18 and $10.40 with offer code TAXDAY when you purchase seats online before April 19.