Domains Tools (17)
Inspect DNS records, Whois registry records, IP geolocation, SSL certificate trust chains, ping latency, and traceroute diagnostic endpoints with zero server logging.
Page Speed Test
Test webpage loading performance, Core Web Vitals (LCP, FCP, CLS, TBT), and Google Lighthouse audit scores.
Mobile Friendly Test
Test if your website is optimized for mobile devices with Google Mobile-First indexing audit and live device previews.
Domain Name Generator
Generate creative, brandable, available domain name ideas based on keywords and industry suffixes.
Domain WHOIS Lookup
Inspect domain ownership, registrar information, registration dates, expiry countdown, and DNS nameservers.
IP to Hostname (Reverse DNS)
Perform reverse DNS (PTR) lookups to resolve an IPv4 or IPv6 address to its assigned domain name.
Hostname to IP (Forward DNS)
Resolve any domain name to its corresponding IPv4 (A) and IPv6 (AAAA) internet addresses.
IP Geolocation Information
Comprehensive IP geolocation lookup displaying country, city, ISP, ASN, timezone, and coordinates.
HTTP Status Code Reference
Comprehensive reference guide and status code tester for all HTTP 1xx, 2xx, 3xx, 4xx, and 5xx response codes.
URL Parser & Analyzer
Deconstruct any complex URL into protocol, host, port, path, parameters, and fragment values.
DNS Lookup Tool
Query live DNS records across A, AAAA, CNAME, MX, TXT, NS, and SOA using Google DoH.
What is My Browser
Detect your exact browser build, JavaScript engine capabilities, WebGL support, and cookies.
Open Port Checker
Scan and verify if critical service ports (80, 443, 22, 21, 25, 3306, 8080) are open or blocked by firewalls.
BMI Calculator
Calculate Body Mass Index (BMI) using metric or imperial units with standard WHO health category classifications.
Online SMTP Test
Test mail server connectivity, open relay detection, and SMTP greeting handshake.
GZIP Compression Test
Verify if your web server has Gzip, Brotli, or Deflate compression enabled to optimize load speed.
Hreflang Tag Checker
Validate hreflang tags on a page by pasting HTML source - checks correct language codes, x-default, self-referencing, and coverage.
Robots.txt Tester
Test and validate your robots.txt file - check which URLs are allowed or blocked, validate syntax, and test against specific user-agents.
Broken Link Checker
Extract and test all href links from pasted HTML to identify broken, redirect, or unreachable URLs using fetch with HEAD requests.
Website Page Size Checker
Analyze webpage size by pasting HTML - measures total HTML size, estimates image/script/CSS weight, and gives load time predictions for different connection speeds.
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