Tools / Developer Utilities
Punycode / IDN Converter
Convert internationalised domain names to and from xn-- form
Runs entirely in your browser — nothing you type is sent to our servers.
About this tool
Convert internationalised domain names between their Unicode form (bücher.de) and the ASCII punycode form used in DNS (xn--bcher-kva.de). Handy for spotting homograph look-alikes.