All Tools

Every free internet and network tool we offer, grouped by what you need. Each one runs in your browser with no signup.

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Browse by topic

IP tools

What's My IPYour public IPv4 & IPv6, ISP and location.
IPv4 LookupFind your public IPv4 address.
IPv6 LookupFind & test your IPv6 address.
IP LocationSee your IP on a map.
Router IP FinderFind your default gateway.

Network tools

Speed TestDownload, upload, ping & jitter.
Ping TestMeasure latency & jitter.
Port CheckerTest if a TCP port is open.
Subnet CalculatorCIDR, masks, host ranges.

Privacy tools

VPN CheckIs your VPN or proxy working?
Proxy CheckDetect proxy & datacenter IPs.
IP Leak TestDetect WebRTC IP leaks.
Hide My IPVPN, proxy & Tor compared.

Security tools

SSL CheckerInspect a site's HTTPS certificate.
HTTP HeadersView response & security headers.
Security HeadersGrade a site's security headers.
DNS Leak TestCheck for VPN IP/DNS leaks.

Browser tools

Browser InfoWhat your browser reveals.
User AgentView & decode your user agent.

DNS tools

DNS LookupA, AAAA, CNAME, NS, TXT records.
Reverse DNSIP → hostname (PTR) lookup.
MX LookupMail server (MX) records.
SPF & DMARCEmail security TXT records.
DNS PropagationCompare records across resolvers.

Developer tools

WHOIS LookupDomain registration details.
NS LookupFind a domain's name servers.
CNAME LookupCheck CNAME alias records.
TXT LookupCheck TXT records.