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libidn2

IDNA2008 and Punycode library for international domain names

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About

International domain name library (IDNA2008, Punycode and TR46)

Commands

idn2

Examples

Convert Unicode domain name to ASCII-compatible encoding (Punycode)$ idn2 münchen.de
Convert Punycode domain back to Unicode$ idn2 -d xn--mnchen-3ya.de
Validate international domain name using IDNA2008 rules$ idn2 --check-bidi 日本.jp