Punycode Converter — IDN Domain Encoder/Decoder
Convert internationalized domain names (IDN) between Unicode and Punycode (ACE) format for DNS compatibility.
Unicode domain
ACE / Punycode
xn--mnchen-3ya.de
- Punycode allows internationalized domain names (IDN) to be represented in ASCII
- ACE prefix
xn--marks a Punycode-encoded label - Conversion follows RFC 3492 and works on individual domain labels
Frequently Asked Questions about Punycode Converter
- Is Punycode Converter completely free?
- Yes, Punycode Converter is 100% free with no registration, no usage limits, and no hidden costs. Use it as many times as you need.
- Is my data private?
- Punycode Converter runs entirely in your browser — nothing is ever sent to our servers. Your data stays on your device at all times.
- Does it work offline?
- Once the page has loaded, Punycode Converter works fully in your browser without an internet connection.
- Is the encoding/decoding reversible?
- Yes, all encoding operations are fully reversible. Use the same tool to encode and decode.
- Can I use it on my phone or tablet?
- Yes, Punycode Converter is fully responsive and works on smartphones and tablets with any modern browser.
This tool runs entirely in your browser. No data is ever sent to our servers.