Clarity before you file
Understand your taxes
before you file.
A simple way to review your tax information and compare filing options when calculations are available.
- Federal, state, and local tax estimates
- Compare eligible filing options
- Clear explanations in plain language
- Private, secure, and no account required
- Free to use
Eligibility limits apply. No SSNs, bank details or document uploads.

Know the limits
Check your state before you begin
See the supported wage profile, selected local modules and official source links. An unavailable calculation is always identified.
Browse state coverage →Your next question, answered
Is Tax PreCheck free?
Yes. You can use the questionnaire without an account. The planned business model is advertising on public information pages. No payment details are requested.
Does this website file my tax return?
No. It does not submit a return, request an extension, make a payment or contact a tax agency on your behalf. Use an appropriate filing service when you are ready to file.
Are all 50 states included?
All 50 states and Washington, D.C. have limited 2025 wage modules. Each has eligibility restrictions. Selected local modules cover Indiana, Iowa, Maryland and New York City; other localities and unsupported situations remain Not calculated.
Ready to review your information?
Keep your tax records beside you. Enter only the amounts and facts requested, and check the limits before relying on a result.