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Punycode Encode/Decode
Label breakdown
Domains are split by dots into labels. Non-ASCII labels become Punycode (xn--). Each label is shown below.
What is Punycode?
Punycode encodes non-ASCII domain labels into ASCII strings starting with xn-- for DNS compatibility.
Key Features
- Domain encoding: convert IDN labels to Punycode.
- Domain decoding: restore readable domain names.
- Label breakdown: per-label conversion view.
- Local processing: data never leaves your browser.
How to Use
- Enter a domain or Punycode string.
- Click encode or decode.
- Copy the result for DNS or development.