Command reference, IT tools and general-purpose tools, all in one place.
Useful commands for Windows (CMD and PowerShell), Linux and macOS, with a quick reference for each.
View commands →Browser-based tools for everyday IT work: encoding, hashing, JWT and DNS lookups, subnet calculations, password generation and more.
Explore tools →Everyday calculators and converters: unit conversion, percentages, tip splitting, dates, dice, colours and a stopwatch.
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