Don't press the button on your sad drip coffee maker Friday morning.

It's National Coffee Day, which means you can get your caffeine fix for free or reduced prices at cafés and shops around the city.

Here's where to treat yourself:

Goldfinch

The coffee bar on the street level of
The coffee bar on the street level of the Time Hotel at 224 W. 49th St. will give away free cups of drip coffee made with Stumptown beans, as well as cold-brew shots from its keg. Open 7 a.m. to 7 p.m., thetimehotels.com (Credit: Goldfinch Coffee Bar)

Black Fox Coffee

This Financial District coffee shop at 70 Pine
This Financial District coffee shop at 70 Pine St. is selling flat whites (which are like lattes with a little less milk and a little more espresso, according to actor Hugh Jackman) for $2 all day -- and handing out free espresso brownies to boot. Head over at 4:30 p.m., and you'll get a free pour-over tutorial along with your drink and dessert. Open from 6:30 a.m. to 5:30 p.m., blackfoxcoffee.com (Credit: Black Fox)

Tiny's & The Bar Upstairs

This family-run restaurant in a early 19th-century townhouse
This family-run restaurant in a early 19th-century townhouse at 135 W. Broadway will be serving free coffee in "millennial pink" cups to customers and TriBeCa locals walking by its patio from 8 a.m. to 3:30 p.m. Friday. Seated sippers can also claim one of chef Eduardo Martinez's double chocolate espresso cookies for free.tinysnyc.com (Credit: Paul Wagtouicz)

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Birch Coffee

Pay what you please for your coffee drink
Pay what you please for your coffee drink -- from a glass of cold brew to a cup of espresso -- at one of Birch's nine shops around New York City, eight in Manhattan and one in Queens. birchcoffee.com (Credit: Birch Coffee)

Le Petit Parisien

The French sandwich shop, with one location at
The French sandwich shop, with one location at 32 E. Seventh St. and another at 251 E. 53rd St., will gift customers a free cup of coffee along with any pastry or sandwich purchase all day long. The java is made with French Malongo beans. Baguette sandwiches at Le Petit Parisien range in price from $9 for Le Parisien (bone-in cooked ham and butter) to $29 for Louis XIV (foie gras and fig confit). For sweets, you've got pain au chocolat, elephant ears and muffins among your options. Midtown East location is open from 7:30 a.m. to 8:30 p.m., East Village is open from 8:30 a.m. to 6:30 p.m., lepetitparisienusa.com (Credit: Michael Berman)

Pourt

Get a free small coffee of your choice,
Get a free small coffee of your choice, brewed with Intelligentsia beans, at this East Village cafe and workspace at 35 Cooper Sq. Open 8 a.m. to 8 p.m., pourt.com

Gregorys Coffee

The coffee roaster and retailer with more than
The coffee roaster and retailer with more than 20 shops in Manhattan and Brooklyn is treating PSL lovers to free 12-ounce pumpkin spice lattes from 11 a.m. to 2 p.m. Get yours hot or iced. gregoryscoffee.com (Credit: Evi Abeler)

Vanderbilt Hall at Grand Central Terminal

The high-ceiling hall bedecked with chandeliers will transform
The high-ceiling hall bedecked with chandeliers will transform into a European-style café plaza on National Coffee Day. Eight coffee vendors will be selling cups of regular joe for $1, including Café Grumpy (pictured), Financier Patisserie, Irving Farm Coffee Roasters and Zaro's Family Bakery. Those who want to taste them all -- and contribute to a nonprofit that supports young coffee farmers -- can buy a $5 flight featuring four-ounce samples from each vendor. Adding to the coffeehouse ambiance of the event are a reading lounge from Warby Parker, flowers for sale from Dahlia, live music, coffee talks and latte art demonstrations. Open 7 a.m. to 2 p.m., grandcentralterminal.com (Credit: Café Grumpy)

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Dunkin’ Donuts

The coffee mega-chain is inviting customers to
The coffee mega-chain is inviting customers to "share the coffee love" on Friday: Customers who buy a medium, large or extra-large cup of Dunkins' signature hot coffee get a complimentary medium-sized hot coffee at participating franchise locations. dunkindonuts.com (Credit: Dunkin' Donuts)

Krispy Kreme

The doughnut chain is expanding National Coffee Day
The doughnut chain is expanding National Coffee Day into National Coffee Weekend. Customers can claim a free cup of hot coffee, in any size, or a small iced coffee each day from Friday through Sunday -- but only if they feel like embarking on a journey into Penn Station, when Krispy Kreme's one New York City shop is located at 2 Penn Plaza. Open from 6 a.m. to 11 p.m. Friday through Saturday, from 6 a.m. to 10 p.m. Sunday, krispykreme.com (Credit: Getty Images / Nicholas Kamm)

Trademark Taste + Grind

For those who would rather lick than sip
For those who would rather lick than sip their coffee, Trademark Taste + Grind will hand out free cones of its limited-edition cold brew-infused soft serve on Friday. The ice cream, made on the premises of the coffee bar fronting a restaurant at 38 W. 36th St., comes topped with mocha crumbles. Open from 7 a.m. to 6 p.m., ingoodcompany.com/trademark (Credit: Trademark Taste + Grind)