Free irs Tools Online
5 free irs tools — no signup, no upload, 100% browser-based.
Tax Refund Calculator
Estimate your federal tax refund or amount owed for the 2024-2025 tax year based on your income and withholdings.
Tax Bracket Calculator
Find your marginal tax rate and see how much federal income tax you'll pay based on the progressive US tax system.
US Income Tax Calculator
Calculate your total federal income tax for the 2024-2025 tax year. See your marginal tax rate, effective tax rate, and tax breakdown.
Self-Employment Tax Calculator
Calculate the 15.3% SE tax for freelancers and contractors. Includes the deductible employer-equivalent portion calculation.
RMD Calculator — Required Minimum Distribution
Calculate your Required Minimum Distributions from Traditional IRAs and 401(k)s starting at age 73. Avoid 50% IRS penalties and plan your retirement withdrawals.
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About irs Tools
Browse 5 free irs tools on OneClickTool. All tools run entirely in your browser — no server processing, no data collection, no signup required. Whether you're a developer, designer, writer, or everyday user, these tools give you instant results with a single click.