Tools
See the full redirect chain for any URL — every hop, status code, and the final destination.
Generate a valid robots.txt file — allow/disallow rules and a sitemap reference — computed locally in your browser.
Generate JSON-LD structured data for Article, Product, FAQPage, LocalBusiness, Person, or Organization — computed locally in your browser.
Preview how your title and meta description will look in Google search results, before you publish — computed locally in your browser.
Turn a list of URLs into a valid sitemap.xml file — computed locally in your browser.
Check a domain’s SSL/TLS certificate — issuer, validity dates, days remaining, and the domains it covers.
Preview how a page will look when shared on X (Twitter), based on its Twitter Card and Open Graph tags.
Convert a title or piece of text into a clean, URL-safe slug — computed locally in your browser.
Check whether a website is up, and see its HTTP status code and response time.
Look up a domain’s WHOIS registration record — registrar, registration/expiry dates, and name servers.