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Find clear answers to common questions about IDN Decode, including usage, output, and common issues.
Use this IDN Decode tool to convert ASCII punycode hostnames back into readable Unicode domain names. It is useful for browser checks, domain review, debugging internationalized hostnames, and understanding what a punycode domain represents in its readable form.
IDN Decode is built for development, debugging, formatting, and quick technical checks directly in the browser.
It converts a punycode hostname back into readable Unicode form.
It indicates that the hostname uses punycode encoding for an internationalized domain name.
No. IDN decoding is specifically for hostnames, not percent-encoded URL text.
Use it when you want to read a punycode hostname as a normal Unicode domain.
IDN Decode turns punycode into Unicode, while IDN Encode turns Unicode into punycode.
IDN Decode is built for development, debugging, formatting, and quick technical checks directly in the browser.
Start by checking the input format, removing accidental spaces or unsupported characters, and comparing your input against the example pattern on the page.
Fix: Use IDN Decode on xn-- hostnames rather than plain Unicode domains.
Fix: Use a clean domain or hostname when possible.
Fix: IDN decoding is for hostnames, while URL decoding is for percent-encoded URL text.
If you want to see realistic input and output patterns, open the examples page. If you want step-by-step usage guidance, open the guide page.
Open the main IDN Decode page to test your own input and generate a live result.