Punycode Converter

Convert international domain names between Unicode and ASCII-compatible Punycode format

Unicode Domain Input

Punycode Output

Punycode Input

Unicode Output

Example Conversions

Unicode Domain	Punycode
münchen.de	xn--mnchen-3ya.de
北京.中国	xn--1lqs71d.xn--fiqs8s
россия.рф	xn--e1afmkfd.xn--p1ai
العربية.مصر	xn--mgbh0fb.xn--wgbh1c
日本.jp	xn--wgv71a.jp
café.com	xn--caf-dma.com

About Punycode

What is Punycode?

Punycode is a representation of Unicode with ASCII characters. It's used for Internationalized Domain Names (IDN) to allow non-ASCII characters in domain names while maintaining compatibility with the existing DNS infrastructure.

Key Features:

ASCII Compatible: Works with existing DNS systems
Reversible: Can convert back to original Unicode
Prefix: Uses "xn--" prefix for encoded parts
Efficient: Optimized for domain name encoding

Use Cases:

International domain registration
Email address internationalization
Web browser URL handling
DNS server configuration

Note: Only domain parts containing non-ASCII characters are encoded. ASCII-only parts remain unchanged.

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