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Punycode Converter

Convert Unicode (IDN) domains to Punycode (xn--) and back per RFC 3492.

About Punycode Converter

Navigating the world of internationalized domain names (IDNs) can sometimes feel a little complex, but bansub.com is here to simplify it for you. Our free Punycode Converter is designed to effortlessly translate between the familiar characters you see and the essential Punycode format that browsers and systems understand. Whether you're looking to decode a web address that uses non-Latin characters back into its standard ASCII representation or need to convert a regular domain into its Punycode equivalent for technical purposes, this tool has you covered. It adheres strictly to RFC 3492 standards, ensuring accuracy and compatibility.

Using our Punycode Converter is straightforward:

  • Simply paste or type your Unicode domain into the provided input field.
  • Click the convert button, and instantly receive the corresponding Punycode (starting with "xn--") or its decoded Unicode counterpart.

This makes managing and understanding international domain names a breeze, whether for web development, DNS configuration, or simply curious exploration.

About this tool

Convert Unicode (IDN) domains to Punycode (xn--) and back per RFC 3492.

  • 100% free
  • No sign-up needed
  • Runs in browser, no data stored

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