Format, decode, generate & inspect
Beautify, minify and validate JSON.
Decode header, payload and verify claims.
Convert text and files to and from Base64.
Build and explain cron schedules in plain English.
IP, ASN, ping, ports & routing
DNS records, SPF, DKIM & DMARC
SSL, headers, hashing & secrets
Meta, robots, sitemap & SERP
Time, units, color & encoding