calculators
Random Number Generator
Generate secure random integers or decimals within a custom range.
Values are generated with the browser’s secure random API.
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UUID Generator
Generate one or more cryptographically secure UUID v4 values.
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Pick one or more unique winners from a list using secure browser randomness.
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Age Calculator
Calculate age in years, months, days, and total days between two dates.
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Aspect Ratio Calculator
Calculate, simplify, and resize dimensions while preserving an aspect ratio.