All Tools
Browse network, DNS and developer utilities — filter by name or tag.
Network & IP
Whois Lookup
Domain & IP registration data
Domain Age Checker
Check domain age, registration dates, expiry and registrar info
IP & Location Checker
See your public IP & geolocation
IP Lookup
Lookup any IPv4/IPv6 address details
Website Status Checker
Check if a website is online
WebRTC Leak Test
Detect local & public ICE endpoint leaks
HTTP Status Checker
Inspect HTTP response codes and headers
Blacklist Checker
Check if an IP or domain is listed on spam blacklists
Punycode Converter
Convert IDN domains to/from xn-- Punycode
Internet Speed Test
Measure live latency, download, upload and jitter
MAC Address Lookup
Identify hardware vendor & OUI registration details
Subnet Calculator
Calculate IPv4 networks, masks, and host ranges
DNS Type Lookup
Query A, AAAA, MX, TXT and other DNS records
Reverse DNS
Resolve IP addresses to hostnames
DNS & Domain
SEO Tools
Domain Age Checker
Check domain age, registration dates, expiry and registrar info
HTTP Status Checker
Inspect HTTP response codes and headers
Blacklist Checker
Check if an IP or domain is listed on spam blacklists
Subdomain Finder
Discover active subdomains via CT logs
SSL Checker
Inspect TLS/SSL certificates
URL Shortener
Shorten long URLs with instant QR preview & copy
Robots.txt Generator
Generate and customize search engine crawler rules
Sitemap Checker
Validate, inspect and analyze XML & Index sitemaps
LLMs.txt Generator
Generate standardized llms.txt files for AI search engines and LLM crawlers
Developer Utilities
Punycode Converter
Convert IDN domains to/from xn-- Punycode
Base64 / Hash Tools
Encode, decode & hash text
JSON Utilities
Format, validate & minify JSON
SSL Checker
Inspect TLS/SSL certificates
Password Generator
Generate strong random passwords
QR Code Generator
Create custom QR codes with live preview & colors
URL Shortener
Shorten long URLs with instant QR preview & copy
Chmod Calculator
Calculate file & directory permissions in octal & symbolic
Text Diff Checker
Compare text changes side-by-side with diff highlighting
LLMs.txt Generator
Generate standardized llms.txt files for AI search engines and LLM crawlers