Punycode Converter
Convert internationalized domains to Punycode
Free online Punycode converter. Convert internationalized domain names (münchen.de) to Punycode (xn--mnchen-3ya.de) and back.
How to use Punycode Converter
- Enter your domain name.
- Choose encode or decode mode.
- Click Convert and copy the result.
Features
- RFC 3492 compliant Punycode encoding
- Handles multi-label domains
- ASCII domains pass through unchanged
- Free online tool, no signup needed to view
Frequently asked questions
What is Punycode?
Punycode (RFC 3492) encodes Unicode domain names into ASCII starting with xn--, so internationalized domains work with DNS.
How do I convert münchen.de?
Select Unicode to Punycode mode, enter münchen.de and click Convert to get xn--mnchen-3ya.de.
Is the Punycode Converter free?
Yes, it is completely free with no signup required to view the page. Login to use the tool without limits.
Is my data safe?
Yes. All conversion happens locally in your browser — nothing is uploaded to any server.
Login to use this free online tool. Create a free account to get started.
