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IDN Punnycode converter

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IDN / Punycode Converter

Convert internationalized domain names to Punycode and back for DNS compatibility.

Common uses

  • Register and test IDN domains
  • Debug email and URL parsing for Unicode domains
  • Convert international script domains
  • Validate browser IDN handling

Free online tool on Matrixat — fast, private, and works in your browser. No signup required.

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