What it can do
- Recognize the xn-- prefix
- Decode the Punycode label
- Preserve other domain labels
How the recipe works
From Punycode
Decode each internationalized domain label to Unicode.
Demonstration
Sample input
xn--bcher-kva.exampleExpected result
bücher.exampleWhen to use it
- Domain review
- IDN demonstrations
- Spotting visually confusing names
Adapt it
Compare the Unicode and ASCII forms side by side; appearance alone is not an identity check.
Source and verification
Adapted from TryHackMe: CyberChef — The Basics. The explanation and sample are written for Serialize, use synthetic or documentation-safe data, and are checked against the current operation catalogue. The workflow runs locally without an external API call.