Punycode Converter
Convert Internationalized Domain Names (IDN) with Unicode characters to Punycode (ASCII) and vice versa. Fast, free, and fully client-side. Nothing is uploaded to a server.
Input
0 chars · 0 wordsOutput
0 charsHow the Punycode Converter Works
Encodes and decodes Internationalized Domain Names (IDNs) with Unicode characters into ASCII-compatible Punycode format with the "xn--" prefix.
Usage Example
Input: "münchen.de" → Punycode: "xn--mnchen-3ya.de".
Frequently Asked Questions
Why was Punycode created?
The global Domain Name System (DNS) historically only supported ASCII characters; Punycode enables non-Latin domains while maintaining backwards compatibility.