Punycode / IDN
Convert hostname labels or full URLs (host only) between Unicode and Punycode, one per line.
All processing on this page runs locally in your browser unless noted otherwise.
How to use
- Paste hosts or URLs, one per line.
- Choose Unicode→ASCII or the reverse.
- Copy or download the converted lines.
FAQ
Does it rewrite the path?
No. Only the hostname is converted; the rest of the URL is kept.
Can I share my input?
Yes via Copy share link. Long payloads may omit the body from the URL.