
Not filing costs way more than not paying
Filing an extension, even if you pay nothing, can significantly reduce what you owe in penalties.
What are your next steps?
1. File an extension by April 15, 2026
File a tax extension. This is the most important step! You’ll file IRS Form 4868, estimate your taxes, and pay what you can — even if it’s $0.
2. Finish filing by October 15, 2026
Gather your documents and finish filing your taxes. If you filed your tax extension, there is no additional penalty for filing during this time.
What happens if you file an extension but can’t pay yet?
An extension gives you more time to file, but not more time to pay. When you file an extension:
Your return is considered on-time.
You avoid large late-filing penalties.
Interest and smaller late-payment penalty may apply.

What happens if you file an extension but can’t pay yet?
An extension gives you more time to file, but not more time to pay. When you file an extension:
Your return is considered on-time.
You avoid large late-filing penalties.
Interest and smaller late-payment penalty may apply.

Special situations
Military or international tax payers may qualify for automatic extensions.
Deadlines may differ for those in federally declared disaster areas.
What you need to know.
Extension deadlines vary.
Filing an extension is fast.
An extension isn’t extra time to pay.
Frequently Asked Questions
You can file for free yourself with TaxAct's Free Edition if you meet the qualifications below, including filing using IRS Form 1040 only without having to attach any forms or schedules. Only certain taxpayers are eligible.
Situations covered (assuming no added tax complexity):
W-2 income, Unemployment income, Retirement income
Earned Income Tax Credit, Child Tax Credit
Dependents
Current Students
Student loan interest
Situations not covered:
Investment income: Stock, interest, dividends, crypto, or capital gains/losses
Sale of home, real estate taxes, mortgage interest, or rental property income
Royalty, trusts, and foreign accounts
Business and farm income
Itemized deductions
Adoption credits and child and dependent care
Health Savings Account (HSA)
Freelance, contractor, side hustle, or self-employed income and expenses