When inspecting domain registries, checking DNS lookups, or mapping raw headers, translating xn-- records to clear local language characters (such as Umlauts, Arabic scripts, Kanji, Cyrillic, or emoji) is essential. Our utility runs local conversions entirely in-browser.
How to use Punycode Decoder
Paste or type your input into the editor on the left.
Leave the defaults, or tweak them if the tool exposes options.
The result appears on the right as you type.
Copy the output or download it.
This tool runs in your browser. Your input is not uploaded or stored.
Use it from the API
Everything this page does is also available as a REST endpoint, so you can call Punycode Decoder from your own code, a script or a CI pipeline.
The endpoint returns a JSON envelope ({ ok, data, meta }) and costs 1 credit per successful call. Try it in the playground or browse the full API reference.