Validate sitemap XML syntax, count URL entries, and verify Google 50K limits.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Paste your sitemap.xml source code into the editor.
Inspect total URL count, HTTPS ratio, and payload size.
Ensure sitemap complies with sitemaps.org 0.9 and Google limits.
Google allows up to 50,000 URLs or 50MB uncompressed per single sitemap file.
You should use a Sitemap Index file (<sitemapindex>) linking to segmented child sitemaps.
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