Unicode to Punycode

Convert international domain names (Unicode) into the ASCII-compatible Punycode format.

Convert Unicode domains to Punycode (ASCII) format.

Example: münchen.de xn--mnchen-3ya.de

Need to decode Punycode back to Unicode? Use our Punycode to Unicode converter

Auto-converting Manual mode

Enter domains separated by newlines or commas. Press Ctrl+Enter to convert.

Click the button above to convert your Unicode input

OK Partial Error Empty

Enter Unicode text above to see the Punycode result

Conversion Statistics (current session)

Input Length
Output Length
Unicode Chars
Length Change
Time (ms)

Quick Examples (click to load)

Recent Conversions

  1. 1 Enter Unicode Domain: Input the Internationalized Domain Name (IDN) containing non-ASCII characters (e.g., `bücher.com`).
  2. 2 Convert: Click "Encode to Punycode".
  3. 3 View Punycode: The output displays the ASCII-compatible encoding prefixed with `xn--` (e.g., `xn--bcher-kva.com`).

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