Internet Speed Test
Test your internet download speed, upload speed, and ping latency instantly in your browser. No plugins required.
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Free Network Tools
A collection of free network diagnostic and lookup tools. Test your internet speed, check IP locations, query DNS records, inspect HTTP response headers, verify SSL certificates, and encode URLs. Lookups run through our server because browsers can't make them directly; nothing you enter is stored.
7 free tools, no signup required
My IP Address
Find the IP captured server-side from request headers.
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IP to Location
Look up the geographic location of any IP address. Get country, city, region, coordinates, ISP, and ASN details instantly.
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DNS Lookup
Query DNS records for any domain. Look up A, AAAA, MX, TXT, CNAME, NS, and more record types instantly.
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HTTP Headers Checker
Inspect the HTTP response headers of any URL. Check security headers, redirects, content type, and server info.
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SSL Certificate Checker
Check the SSL/TLS certificate details of any domain. View expiry date, issuer, subject, and certificate chain.
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URL Encoder / Decoder
Encode or decode URL components and query strings instantly. Supports both encodeURIComponent and full URL encoding.
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Which network tool do you need?
The site won't load, or loads the wrong thing
Start with DNS Lookup. If the A record points to an IP you don't recognise, the problem is DNS, not your server. Then run the HTTP Headers checker to see the status code and any redirects. A 301 to an unexpected domain or a 5xx error tells you far more than "it's down" does.
Browsers show a security warning
The SSL Checker shows the certificate's issuer, expiry date and which hostnames it covers. Most warnings come down to an expired certificate or a certificate issued for example.com being served on www.example.com.
Checking your own connection
My IP Address shows the public IP websites see, which is what support teams and firewall allowlists ask for. The Speed Test downloads and uploads test data through Cloudflare's network, so results reflect a real internet path rather than a server in your ISP's building. Run it two or three times; a single test can be thrown off by another device on your Wi-Fi.
What runs where
Lookups (DNS, SSL, headers, IP location) have to be made from a server, because browsers aren't allowed to open raw connections to other sites. The domain or URL you enter is sent to our server to make the request and isn't stored. The URL Encoder is the exception: it runs entirely in your browser.
Something not working right?