Punycode Decoder
Decode an ASCII punycode (RFC 3492) domain or label back to its Unicode form instantly and privately in your browser.
Runs entirely in your browser — nothing you enter is uploaded or stored.
Punycode Decoder
Decode an ASCII punycode (RFC 3492) domain or label back to its Unicode form instantly and privately in your browser.
Paste your punycode on the left and the result is produced instantly — entirely in your browser. Your data never leaves the page, which you can confirm from the Network panel or our privacy policy.
Frequently asked questions
How do I use the Punycode Decoder?
Paste or type your punycode on the left and the unicode domain appears on the right — copy or download it. Everything runs in your browser.
Is my data uploaded anywhere?
No. This tool runs entirely in your browser — your input is never sent to a server. You can verify it in the Network tab or in our Content-Security-Policy.
Is the Punycode Decoder free?
Yes — completely free, no sign-up and no limits. Everything happens client-side.