Punycode URL Blocker

Punycode URL Blocker is a Safari Web Extension for iPhone and iPad that blocks requests to hostnames with Punycode (xn--) labels. Internationalized Domain Names (IDNs) use ASCII labels starting with "xn--". To avoid Punycode or IDN homograph domains, this extension blocks requests when any hostname label starts with "xn--". Key Features: - Blocks Safari requests when any hostname label (domain, subdomain, or TLD) starts with "xn--". - Standard ASCII hostnames without "xn--" load normally. - URLs with "xn--" only in the path or query are not blocked. - No allowlists or settings; operated solely via the Safari extension toggle. - No sign-in required. UI supports English, Japanese, Korean, Traditional Chinese (Taiwan), and Simplified Chinese (English fallback). Important Limitations: - Blocks ALL "xn--" IDNs, including legitimate multilingual domains, without exception. Turn off the…