Web & SEO tools
Check how a website looks to browsers and search engines: inspect HTTP response headers and security headers, look up DNS records, verify SSL certificates, preview Open Graph and Twitter cards, build UTM tracking links, generate meta tags, and see your own IP address.
HTTP Headers CheckerSee a URL’s response headers, redirect chain and security-header score.
DNS LookupLook up A, AAAA, CNAME, MX, TXT, NS, SOA and CAA records for any domain.
SSL Certificate CheckerCheck a site’s SSL/TLS certificate: validity, expiry date, issuer and chain.
Open Graph PreviewPreview how a link looks on Facebook, X, LinkedIn and Google, and find missing tags.
Meta Tag GeneratorGenerate SEO title, description, Open Graph and Twitter card tags with a live preview.
UTM BuilderBuild campaign URLs with UTM parameters for Google Analytics tracking.
What Is My IPSee your public IP address, browser, operating system and screen details.