You need your adjusted gross income from last year's taxes to file your federal income tax return online in 2026.

IRS Free File is a no-cost online service for filers who had an adjusted gross income (AGI) of $89,000 or less in 2025. A ...

TurboTax is just one of the many commercial tax-prep companies with a free tier. H&R Block is one of the most popular, thanks ...

Missed the tax deadline? Don't panic. Learn about failure-to-file penalties, what to do if you're owed a refund, and how to file late with the IRS.

Whether you need to file a federal tax return for the 2025-2026 tax year depends mainly on your income, filing status, and age. In general, you’re required to file if your gross income exceeds the IRS ...

Not everyone is required to file a tax return. But the consequences of not filing when you should are harsh, so it’s best to know what your situation requires. The IRS has specific rules dictating who ...

Kristina Byas is contributor at Investopedia. As a personal finance expert, she has lent her insights and knowledge to numerous financial publications. Her articles have helped readers navigate the ...