Punycode encoder/decoder (IDN domains)
Convert Internationalized Domain Names (IDN) to ASCII (xn--…) and back, using native URL for ASCII conversion.
About this tool
Punycode encoder/decoder (IDN domains) is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
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