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Free calculators and browser utilities for everyday tasks. Choose a task or search for what you need.

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Quick arithmetic, dates, fractions, tax, and everyday checks.

Basic CalculatorA clean browser calculator for quick arithmetic, percent checks, and copied results.

Fraction CalculatorCalculate, simplify, compare, and convert fractions, mixed numbers, whole numbers, and decimals with steps.

Date CalculatorAdd or subtract days from a date, or count full days between two dates.

BMI CalculatorEstimate adult body mass index and healthy BMI weight range.

Password GeneratorGenerate strong random passwords with length, character sets, and ambiguity controls.

Sales Tax CalculatorFind sales tax and final total from a subtotal and local rate.

Useful numbers need context. Read the example, assumptions, and limits before relying on a result.

The 305 matching tool guides explain inputs, formulas, common mistakes, and estimates.

Many tools run in your browser. AI tools explain model downloads and where your work is processed.

Access Free Tools is a growing library of practical utilities with plain-language help.