Internet & Security

Check whether your VPN is on and what goes around it: the network websites see, DNS, WebRTC and IPv6 leaks, split tunneling.

Look up any IP address or domain to see its location, ISP, VPN status, and more.

Test your IPv6 support, detect connection type, compare latency, and check for leaks.

Scan any website to discover all cookies, trackers, and privacy risks in seconds.

Check your internet speed: download, upload, ping, jitter and latency under load, over several parallel connections, compared with your plan.

Strobed lens-glint search and an infrared view — starting with a check that your phone can see any of it at all.

Run 25+ privacy and security checks on your browser. Get a score from 0 to 100 with detailed results and recommendations.

Estimated entropy per signal, comparison with today's scans, a defense test and fingerprint art — see which signals your browser exposes.

Instantly detect your browser, OS, screen, hardware, codecs, and web API support. Copy all info for tech support or download a PDF report.

Check if WebRTC is exposing your real IP address. Detect local, public, and mDNS candidates with real-time monitoring.

Check CPU, GPU, memory, battery, storage, network and browser capabilities. Get a device score, a CPU benchmark and personalized recommendations.

Look up DNS records for any domain. All record types supported, results from multiple resolvers.

Look up registration details for any domain name including registrar, dates, nameservers, and DNSSEC status.

Enter a URL to see the full redirect chain with HTTP status codes, response times, and server details.

Identify the manufacturer of any network device by MAC address, generate random MACs for testing, and convert between all standard formats.

Paste a message, link or screenshot to see where the link really goes, catch lookalike domains and spot the scam script behind it.