Everyday Utilities
Time zones, units, colours, coordinates and test data.
9 live · 0 planned
- Convert and check colours1 CR credit per calloperationalBetween hex, RGB, HSL and Lab — and the WCAG contrast ratio against another colour.POST /v1/core/color-convert
- Look up a country's codes1 CR credit per calloperationalISO codes, currency, dialling code and region, from a name or a code.POST /v1/core/country-lookup
- Explain a cron expression1 CR credit per calloperationalWhat the schedule means in English, and the next few times it will actually fire.POST /v1/core/cron-describe
- Understand a written date1 CR credit per calloperational'Next Tuesday' or '3rd Mar 24' turned into a proper ISO 8601 timestamp.POST /v1/core/date-parse
- Measure between two coordinates1 CR credit per calloperationalThe great-circle distance between two latitude and longitude pairs, plus the bearing.POST /v1/core/geo-distance
- Work with IP addresses and ranges1 CR credit per calloperationalValidate an address, work out a subnet's range, or check whether an address falls inside it.POST /v1/core/ip-tools
- Generate realistic fake data1 CR credit per calloperationalNames, emails, addresses and phone numbers that look real, for filling a test database.POST /v1/core/random-data
- Convert a time between zones1 CR credit per calloperationalDaylight saving handled properly, including the dates it changes on.POST /v1/core/timezone-convert
- Convert between units1 CR credit per calloperationalLength, mass, volume, temperature, data and speed, with the arithmetic done exactly.POST /v1/core/unit-convert