Punycode & IDN Converter

Convert Unicode/Persian domains to their ASCII form (xn--) and back — for .ir and IDN domains.

Frequently Asked Questions

What is Punycode?

A way to convert Unicode domains (such as Persian letters) into a DNS-compatible ASCII form that begins with xn--.

Why does a Persian domain become xn--?

DNS fundamentally understands only ASCII; so Persian/Unicode domains are converted to Punycode behind the scenes to work.