Free tool
Hreflang Checker
Validate alternate URLs and parse hreflang link tags locally in your browser, no crawling or server calls.
Validate URL list
Paste one absolute URL per line (http/https). Useful for quick QA before publishing alternates.
Parse hreflang snippet
Paste HTML containing <link rel="alternate" tags. We check for paired hreflang and href. No network calls.