What input does Punycode Encoder accept?

Punycode Encoder accepts Unicode text. Supply the label or domain value you need to convert. Keep dots and label boundaries unchanged when the input is a full domain name.

Which settings does Punycode Encoder provide?

Punycode Encoder provides the Internationalised domain name setting. Enable it when the input represents a complete domain name. Leave it disabled when you need to convert an individual Unicode label.

What does Punycode Encoder return?

Punycode Encoder returns ASCII Punycode text. Validate the final domain name separately before using it for a network request.

Punycode Encoder | Tool Factory

Tool workspace

Your input stays in this browser.

Needs input

You can run the tool again after any change.

Input

Options

Internationalised domain name

Your result appears here

Convert input into Punycode. Enter the data, choose the input and output formats, then copy the result.

This tool runs open-source code from CyberChef by GCHQ (Apache License 2.0). See open-source credits.

Punycode Encoder converts data between formats in your browser. For a correct result, process labels according to IDNA rules.

xn--bcher-kva Processing runs in the browser.

Represent a Unicode domain label in ASCII.
Inspect the encoded form of an internationalized domain label.

Sources: RFC 3492: Punycode for internationalized domain labels

Instructions

Provide text or data for this tool.
Encode the Unicode domain label.
Compare the output with a known Punycode Encoder sample.
Keep the original value until the receiving system accepts the result.

Example

Input: bücher

Settings: Punycode Encoder: encode the Unicode domain label

Result: xn--bcher-kva

Limits

Punycode Encoder: Punycode alone does not validate a complete domain
Punycode Encoder: The operation does not detect a different input format automatically.
Punycode Encoder: Processing stays in the browser.