Lightweight, instant, client-side engineering utilities for networking calculations, cron expressions, format conversions, and encoding.
Calculate network addresses, usable host ranges, broadcast IP, and wildcard masks instantly.
Parse standard 5-part cron schedules into plain English and verify trigger cadence.
Encode or decode Base64 strings and inspect JWT headers/payloads locally without sending tokens over the wire.
Convert between Unix epoch timestamps and human dates in UTC and Local timezone.
Format, minify, and validate JSON payloads with clear syntax error detection.