openkits

Sharp little tools for developers. No fluff, no sign-up. First up: a cron translator that actually understands timezones.

• cron + timezone translator Stop shipping cron jobs that fire 8 hours off. Catches weekday drift, DST drift & sub-hour offsets.
• unix timestamp + timezone converter 10 vs 13 digit, ISO, "now", multi-timezone, and duration math — one page.
• what's my ip + network info Your public IP, geo, ISP/ASN, and connection diagnostics — for debugging network issues.
• password + passphrase generator Strong random passwords and memorable passphrases — crypto-secure, in your browser.
• jwt decoder + verifier Decode, inspect & verify JSON Web Tokens — humanized claims, in your browser.
• json formatter + validator Format, minify, validate with error location, sort keys, escape — in your browser.
• json diff Semantic JSON compare — ignore noise & array order, match by key. In your browser.
• format converter Convert between JSON, YAML, XML, TOML & CSV — any direction, in your browser.