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Native Characters (Unicode) Punycode (ACE)


IDN Conversion tool

... This converter allows you to transfer domain names between the encoded (Punycode) notation and the decoded (UTF-8) notation.
Just enter the domain name in the respective field and click on the button right below it to have it converted. Please note, that you might even enter complete domain names (like نطاق.com ) or nameserver or email addresses.

IMPORTANT: Before using the IDN Conversion Tool, please make sure your browser has the Unicode (UTF-8) encoding enabled.

  1. How to enable Unicode (UTF-8) for Internet Explorer.
  2. How to enable Unicode (UTF-8) for Netscape.

Glossary

  • IDN: Internationalized Domain Names.

  • IDNA: Internationalized Domain Names in Applications.

  • Native Characters: This is a string of native characters that have been registered with Registry IDN Testbed.
    Exp: نطاق.com, 國際化域名.com,

  • Punycode: is a simple and efficient ASCII-Compatible Encoding (ACE) designed for use with Internationalized Domain Names. It transforms a Unicode string into a string of characters allowed in hostname labels (ASCII letters, digits, and hyphens) and back again.
    Exp: xn--mgb5a8an.com, xn--cjr6vy5ejyai80u.com

See also:
RFC 3490 - Internationalizing Domain Names in Applications (IDNA),
RFC 3491 - Nameprep: A Stringprep Profile for Internationalized Domain Names (IDN),
RFC 3492 - Punycode: A Bootstring encoding of Unicode for Internationalized Domain Names in Applications (IDNA) and
RFC 3454 - Preparation of Internationalized Strings ("stringprep").


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