Tax day is a procrastinator’s dream. The two-and-a-half months from when you receive your W-2 or 1099 to when you have to file seems like an eternity. But now it’s hit you with the urgency of a house on fire.

Take a breath—the solution is right in your web browser. Dozens of online tax sites are waiting for your last-minute business. Some offer little more than electronic versions of the IRS’s paper forms, while others walk you step-by-step through the filing process. We’ve picked the best and put together a guide to making your eleventh-hour filing as painless as possible.

See if you can file for free

Before you do anything, find out if you’re eligible to file your taxes for free. Taxpayers with an adjusted gross income of $60,000 or less can take advantage of the IRS’s FreeFile program, which makes tax-preparation software from 14 different vendors available for no charge. Each participating vendor has its own eligibility requirements related to income, age, state residency, military service and eligibility for the Earned Income Tax Credit. The site offers a wizard-style questionnaire to help you find the best software for your tax situation so you don’t have to manually comb through each program’s requirements. Remember Free File only covers your federal return. Each site charges extra for state returns, and prices vary by vendor.

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