Official forms — fill them right here
Open an official form and it is ready to fill on the page: click a box, type, download. The blank form comes unchanged from the issuing agency; everything you type stays in your browser.
W-9 — Request for Taxpayer Identification Number and Certification
Give your correct name and taxpayer ID (SSN or EIN) to a business that pays you — freelancers, contractors and vendors.
W-4 — Employee’s Withholding Certificate
Tell your employer how much federal income tax to withhold from your pay — when you start a job or your situation changes.
I-9 — Employment Eligibility Verification
Verify the identity and work authorization of a new employee in the U.S. — Section 1 by the employee, Section 2 by the employer.
1040 — U.S. Individual Income Tax Return
The annual federal income tax return for individuals — this page covers the two pages of the main form for tax year 2025.
N-400 — Application for Naturalization
Apply to become a U.S. citizen. Type your A-Number once and it fills the header of all 14 pages.