IDN Converter

Convert internationalized domain names between Unicode and Punycode (xn--) — private and instant.

100% In-Browser & Private — your data never leaves this device
Loading tool...

How to use the IDN Converter

  1. Paste a Unicode domain (münchen.de) or Punycode (xn--…).
  2. Copy Unicode or ASCII forms per label.

Related tools

More private, in-browser utilities you might need next.

URL Encoder / Decoder
Encode or decode URLs and inspect query parameters in a clean table — fully private, in-browser.

developer

IPv4 Subnet Calculator
CIDR, netmask, broadcast, and host range for IPv4 subnets — calculated locally.

developer

Looking for more? Browse all developer tools · All tools