UNDERSTAND YOUR CONNECTION

Secure Password Generator

Generate a strong password locally with cryptographic randomness.

Your password is neither sent to the server nor stored. Choose 12–128 characters. Use a unique password for every account and a password manager.

How to use this tool

Choose a length and press Start. Copy the generated password; it disappears when the page reloads.

Interpreting results

Your password is neither sent to the server nor stored. Choose 12–128 characters. Use a unique password for every account and a password manager.

This tool runs on your device; entered values are not sent to a data provider. Privacy information ↗

Explore more tools

WHOIS Lookup

Read public domain or IP registration information through RDAP.

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DNS Lookup

Query A, AAAA, MX, TXT, NS, CNAME and SOA records.

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Port Checker

Check six common TCP ports on one public IP address.

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Ping Test

Measure TCP connection time from our server to the target on port 443.

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Hosting Check

Inspect data-center classification and the network provider of an IP address.

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VPN Detection

Check whether a public IP is a known VPN exit node.

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Proxy Detection

View known proxy and Tor exit-node classifications for an IP address.

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Internet Speed Test

Measure download, upload and HTTP latency between your browser and our server.

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Detailed IP Lookup

View approximate location, ISP and ASN for an IP or domain.

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IP Subnet Calculator

Calculate network, broadcast, mask and usable address range from IPv4 and CIDR.

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MAC Address Lookup

Look up a MAC vendor record or generate a locally administered test address.

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Global DNS Propagation Check

Compare Google and Cloudflare DNS answers side by side.

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