Punycode (IDN) conversion

<h1>Punycode (IDN) conversion</h1>

<form>
  <p>
    <strong>Unicode Domain Name</strong><br />
    <small>(e.g. はじめよう.みんな) </small><br />
    <input type="text" id="c-domain" name="c-domain" />
  </p>
  <p>
    <strong>Ascii Punycode</strong><br />
    <small>(e.g. xn--p8j9a0d9c9a.xn--q9jyb4c)</small><br />
    <input type="text" id="c-punycode" name="c-punycode" />
  </p>
  <p>
    <a href="https://github.com/fu-sen/punycode.net.eu.org">
    Source (GitHub)</a> - 
    Simple Source 
    <a href="https://glitch.com/edit/#!/punycode">
    (Glitch)</a>
  </p>
</form>

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<h2 id="what-is-punycode">What is Punycode?</h2>

Punycode is adopted for the Internationalized domain name.  
It converts multilingual characters expressed in Unicode into alphanumeric and hyphen(-) ASCII codes.

[Punycode | Wikipedia](https://en.wikipedia.org/wiki/Punycode)

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<h2 id="example">Example of Internationalized domain name</h2>

<h3 id="chinese">Chinese 中文</h3>

|Unicode Domain Name|Ascii Punycode|Description|
|-------------------|--------------|-----------|
|[互联网中心.中国](https://xn--fiq7iq58bfy3a8bb.xn--fiqs8s/)|xn--fiq7iq58bfy3a8bb.xn--fiqs8s|CNNIC|

<h3 id="emoji">Emoji 絵文字</h3>

|Unicode Domain Name|Ascii Punycode|Description|
|-------------------|--------------|-----------|
|[💩.la](https://xn--ls8h.la/)|xn--ls8h.la|This is said to be the world's first emoji domain|

<h3 id="hindi">Hindi हिन्दी</h3>

|Unicode Domain Name|Ascii Punycode|Description|
|-------------------|--------------|-----------|
|[रजिस्ट्री.भारत](https://www.xn--81bg3cc2b2bk5hb.xn--h2brj9c/)|xn--81bg3cc2b2bk5hb.xn--h2brj9c|Registry.In|

<h3 id="japanese">Japanese 日本語</h3>

|Unicode Domain Name|Ascii Punycode|Description|
|-------------------|--------------|-----------|
|[はじめよう.みんな](https://xn--p8j9a0d9c9a.xn--q9jyb4c/)|xn--p8j9a0d9c9a.xn--q9jyb4c|Google Registry|
|[日本語.jp](https://xn--wgv71a119e.jp/)|xn--wgv71a119e.jp|Japan Registry Services (JPRS)|

<h3 id="korean">Korean 한국어</h3>

|Unicode Domain Name|Ascii Punycode|Description|
|-------------------|--------------|-----------|
|[한국인터넷정보센터.한국](https://xn--3e0bx5euxnjje69i70af08bea817g.xn--3e0b707e/)|xn--3e0bx5euxnjje69i70af08bea817g.xn--3e0b707e|KRNIC|