IDN Converter
Convert IDN hostnames between Unicode (e.g. münchen.de) and Punycode ASCII (xn--…). Labels are checked against the 63-octet limit. Client-side only.
Input
Paste or type your content here…
Output
Your result will appear here
Frequently Asked Questions
What is Punycode?
An ASCII encoding of Unicode domain labels used in DNS (often shown as xn--…).
Full URLs?
A hostname or URL host is fine - path/query are stripped for conversion.