nick creighton

Convert ISO strings, unix epochs, or now into UTC, localized, and relative formats. Returns weekday, week number, and epoch values.

Map filenames or extensions to MIME types, or reverse a MIME type back to a filename-style value. Useful for uploads, headers, and file validation.

Decode a JWT from a token string and inspect its header, payload, and claims without verification. Useful for debugging auth flows and token contents.

Generate batches of UUIDs, ULIDs, NanoIDs, hex strings, or short tokens. Useful for test data, fixtures, and temporary IDs.

Convert integer strings between bases 2 to 36, with auto-detection for 0x, 0o, and 0b prefixes. Useful for radix formatting and mixed-base inputs.

Convert a color string in hex, RGB, or HSL and get structured JSON back for palette, accessibility, and format handling in apps.

Analyze text for counts, readability, top keywords, and reading time. Useful for content review, SEO checks, and simple language statistics.

Convert text into slug, camelCase, snake_case, and other common cases. Useful for URLs, identifiers, headings, and text normalisation.

Score a password with strength, entropy, warnings, and crack-time analysis, or generate a strong password of a chosen length.

Get a year-level calendar for phases, sign ingresses, sabbats, and planetary events from a single year input.

Get Wheel of the Year sabbats and solstices/equinoxes for the Northern or Southern hemisphere. Useful for calendars and seasonal reference data.

Get Natal Moon phase, zodiac sign, and illumination for a birth date and time. Useful for astrology apps and birth-chart lookups.

Get New, First Quarter, Full, and Last Quarter moon dates for a range in UTC, with optional local time zone output for calendar apps.

Get 24 planetary hours for a latitude, longitude, and date, with sunrise and sunset. Useful for astrology and solar-time scheduling.