Punycode converter (IDN converter)

Punycoder is a tool for Unicode to ASCII/Punycode and vice-versa conversion
Punycode encoder
URL encoder

Encode unicode to ASCII/Punycode and vice-versa

Text:

example:
點看

Punycode:

example:
xn--c1yn36f


How to use the tool?

  • Place multiple items on multiple lines
  • If you enter whole URL (must properly begin with protocol name e.g. http://), the domain name will be Punycode encoded / decoded, the path will be URL encoded /decoded
  • The tool uses the IDNA2008 standard, but with Unicode TR#46 Compatibility Processing. Therefore, some (conflicting) characters are encoded using the old IDNA2003 standard

What is Punycode?

Punycode is a special encoding used to convert Unicode characters to ASCII, which is a smaller, restricted character set. Punycode is used to encode internationalized domain names (IDN).

See also:
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