Punycode Encoding Conversion
Description
Punycode Encoder/Decoder converts internationalized domain names (IDN) between Unicode and ASCII-compatible encoding.
Use Cases
Web development: Configure international domain names
DNS: Understand IDN encoding
Security: Verify domain name encoding
Localization: Register non-Latin domain names
Education: Learn about domain name standards
Instructions
Enter a domain name with international characters
View the Punycode encoding
Decode Punycode back to Unicode
Copy the encoded domain
Use for DNS configuration
Notes
- Punycode is defined in RFC 3492
- Encoded domains start with xn--
- IDN allows domain names in local scripts
- Browser support for IDN is universal
FAQ
What is Punycode?
Punycode is an encoding used to represent Unicode domain names using only ASCII characters, prefixed with xn--.
Why is Punycode needed?
DNS only supports ASCII characters. Punycode allows non-Latin characters in domain names while maintaining DNS compatibility.