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Everyday utility tools

Instant, offline-friendly tools for time, converters, generators and text — all running locally in your browser.

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7 utilities

Units, timezones & more

Convert times across cities and plan meetings.

Length, weight, temperature, cooking & more.

Public holidays for every country.

Convert numbers to Roman numerals and back.

Binary, octal, decimal, hex and custom bases.

Live exchange rates with offline caching.

International clothing, shoe & bra sizes across 17 countries.

30 tools · Everything runs locally in your browser.