Mini Tools Collection
Useful one-page tools for real work
ToolPatch is a growing collection of focused utilities. Each page handles one task with clear inputs, fast results, and practical outputs.
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Converters
Featured
Length/Distance Converter
Convert between metric and imperial length units.
Convert lengths and distances between millimeters, centimeters, meters, kilometers, inches, feet, yards, miles, and nautical miles.
Converters
Featured
Weight/Mass Converter
Convert between metric and imperial weight units.
Convert weights and masses between milligrams, grams, kilograms, tonnes, ounces, pounds, and tons.