IDN Domain Converter

Use the browser URL parser for domain-to-ASCII processing and decode xn-- labels for a readable Unicode hostname.

Domain or URL

ASCII hostname

Unicode hostname

—ASCII conversion uses the browser URL parser's domain processing. Unicode output decodes xn-- Punycode labels; this is not a DNS availability or ownership check.

How to use this IDN Domain Converter

Convert internationalized domain names between Unicode and ASCII forms. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.