Useful
tools
Everything runs right here in your browser. What you paste never leaves this page — only DNS lookups go to Google Public DNS, Whois asks the domain or IP registry, My IP asks ipwho.is, and the calculator fetches exchange rates.
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QR code generator
Text, a link or Wi-Fi credentials to a QR code, drawn right here: pick the error correction level and colours, then download PNG or SVG. Wi-Fi codes let a phone join the network with one scan.