26Title 26The US tax code, read & explained ES

What do I file?

Your 2026 federal forms, on one list

Tell it your status and what happened in your year. You get the federal forms you'll probably need, what each one is for and when it's due, with links to the law behind it. It works for citizens, green card holders, visa holders, students and nonresidents.

Runs in your browser. Nothing you tick is sent anywhere or saved. Not sure about your status? Use the day-count calculator. Own a US company as a foreigner? See the founder guide. Every form explained: tax forms library.