Free practical tools

Useful calculators for everyday decisions

Utility Stack is a growing library of fast, focused tools for taxes, finance, text, conversions, and planning. Start with the 2026 1099 tax calculator.

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Tools

Tax

1099 Tax Calculator

Estimate 2026 self-employment tax, federal income tax, quarterly payments, and take-home pay for freelance or contractor income.

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Planned categories

More tools coming next

Finance

Loan, mortgage, savings, and budget calculators.

Text

Word counters, case converters, and writing utilities.

Converters

Unit, date, time, and file-format helpers.