Free Online Network Tools

Free, fast, no signup. Check IP, DNS, SSL, HTTP headers and more from anywhere.

🔥 Popular Tools

IP Lookup
DNS Lookup
SSL Checker
Website Ping & Download Test

🌐 IP Tools

IP Lookup
Automatically detect your public IP address, location, ISP, and ASN details....
CIDR Calculator
Calculate subnet details from an IP address and CIDR notation....
ASN Lookup
Look up ASN, organization, and country for an IP address....

🔍 DNS Tools

DNS Lookup
Query DNS A, AAAA, MX, NS, TXT, and CNAME records....
Reverse DNS Lookup
Find the hostname associated with an IP address via PTR record....
WHOIS Lookup
Domain registration info: registrar, creation and expiration dates....
DNS Leak Test
Check if your DNS queries are leaking outside your VPN tunnel....
DNSSEC Checker
Check if a domain has DNSSEC enabled and valid DNSKEY records....

🔒 Security Tools

SSL Checker
Check SSL/TLS certificate details, expiration, and security for any website....
HTTP Header Checker
View all HTTP response headers from any website....
Website Status
Check if a website is online, get HTTP status code and response time....
Latency Test
Test network latency via 3 HTTP probes to any website....
Robots.txt Checker
Fetch and view the robots.txt file from any website....
Security Headers Checker
Check security HTTP headers like CSP, HSTS, X-Frame-Options, and more....
HTTP/2 & HTTP/3 Checker
Check if a website supports HTTP/2, HTTP/3, and Alt-Svc....
Redirect Checker
Trace URL redirect chains hop by hop: see every HTTP status code, redirect targe...

📧 Email Tools

Email Auth Checker
Check email authentication records (SPF, DKIM, DMARC) for any domain....
Email Validator
Validate email address syntax, domain, and MX records....

📖 Port Reference

Common Ports Reference
Common network port numbers and service reference....

⚖️ Compare Tools

IP Compare
Compare two IP addresses side by side: location, ISP, and ASN....

🌐 Network Tools

Ping Test
Check if a server is reachable and measure response time via HTTP probes....
Traceroute
Trace the network path to a destination, showing each hop with IP and location d...
Website Ping & Download Test
Ping any website or IP address from global Cloudflare edge servers: check reacha...
Broadband Speed Test
Measure the full capacity of your internet connection with 8 parallel download s...

Frequently Asked Questions

What network tools are available?▾
We offer 25 free online network tools covering IP address lookups, DNS queries, SSL certificate checks, WHOIS lookups, ping tests, traceroutes, redirect checking, internet speed tests, and more — all available in 14 languages.
Is my data safe when using these network tools?▾
Yes. All tools run in real-time and we do not store any data you enter. Results are displayed on screen and immediately discarded when you navigate away.
Do you have a ping or traceroute tool?▾
Yes! We have a dedicated ping tool for testing server reachability and latency, a traceroute tool that shows the network path to any destination, and a website ping test that measures response times from global edge servers.