Encoding

Punycode Decode

Convert an IDNA domain back to Unicode.

How to use Punycode Decode

Punycode Decode — Convert an IDNA ASCII domain back to the Unicode name people read. Free to use in D2i DevTools — no account required.

Steps

  1. Fill in Domain. This field is required.
  2. Click Run and copy the result under the form.

Frequently asked questions

What is Punycode Decode used for?

Use it to see the real name behind an xn-- host in a certificate or log.

How do I use the free online Punycode Decode tool?

Fill in Domain. This field is required. Click Run and copy the result under the form.

What can I paste or upload into Punycode Decode?

Paste the ASCII domain, including any xn-- labels. A plain ASCII host is unchanged.

What output does Punycode Decode give me?

The Unicode domain. Invalid punycode returns an error instead of a partial name.

Is Punycode Decode free, and is my input private?

Yes — Your input is processed in memory for this request only. It is not saved to disk or the database, and it is cleared after the tool finishes.

Does this look the host up?

No. It only converts the text. It does not query DNS.

Inputs are processed in memory only and are not saved to disk or the database. Data exists only for the duration of your request.