Fast, simple, privacy-friendly utilities for everyday technical work.
The utilities developers reach for every day.
See your public IPv4 / IPv6, ISP and location instantly.
Geolocation, ASN, organization and reverse DNS for any IP.
Query A, AAAA, MX, TXT, CNAME, NS & SOA records.
Registrar, dates and ownership for any domain.
Validate SPF records and spot lookup limits.
Validity, chain, expiry and issuer details.
Beautify, minify and validate JSON.
Decode header, payload and verify claims.
Unix epoch ⇄ human-readable, any timezone.
Everything grouped the way you actually work.
See your public IPv4 / IPv6, ISP and location instantly.
Query A, AAAA, MX, TXT, CNAME, NS & SOA records.
Beautify, minify and validate JSON.
Build and explain cron schedules in plain English.
Edge-cached lookups return in under 40ms. No spinners, no waiting — just answers.
We never store your queries or sell data. Lookups run server-side and vanish.
No accounts, no paywalls, no rate-limit popups. Every tool, every day, for free.
We blend RDAP, WHOIS, Team Cymru ASN and reverse DNS for results other tools miss.
Bookmark helpers.work and get every developer utility in one fast, clean place.