Tools

A small toolbox of the tabs I kept reopening: subdomain enumeration across CT logs and passive DNS (plus an HTTP/sitemap crawl for hosts hiding behind a reverse proxy), DNS lookups across global resolvers, security header grading, IP geolocation, and a handful of generators.

It's a Cloudflare Worker fronting a React app - no accounts, no ads, and no rate-limited free tier asking for a credit card.