Category
Network & web
Inspect IP addresses, headers, DNS, certificates, and browser request details.
Network & web
What Is My IP Address?
See the public IP address your browser is using to reach Lumio Utils.
Network & web
User-Agent Parser
Parse browser, operating system, device type, and rendering engine from a User-Agent string locally.
Network & web
DNS Lookup
Look up public DNS records with protections against local and private network targets.
Network & web
HTTP Headers Checker
Inspect response headers for public HTTP and HTTPS URLs without following redirects.
Network & web
HTTP Status Code Reference
Search HTTP status codes by number, phrase, class, and common usage locally in your browser.
Network & web
CORS Checker
Test a public URL with a browser-style CORS preflight request and inspect Access-Control headers.
Network & web
SSL Certificate Checker
Inspect the TLS certificate, issuer, expiry date, SANs, protocol, and cipher for a public HTTPS host.
Network & web
URL Parser
Parse URLs into protocol, host, path, query parameters, hash, and origin locally in your browser.
Network & web
URL Query Builder and Parser
Build, parse, edit, encode, and copy URL query parameters locally in your browser.