Free tool
Sitemap validator
Check a sitemap.xml or sitemap index against the sitemaps.org protocol: URL counts, size limits, lastmod freshness and structure.
Other free tools
- XML validatorCheck whether a document is well-formed XML, with the exact line and column of the first error — and optionally validate it against an XSD.
- XPath explorerList every element path in a document with its occurrence count, depth and a sample value — plus the attributes declared on each.
- XML to JSON converterConvert an XML document to JSON, keeping attributes and — by default — keeping every value as a string.
- XML to CSV converterFlatten an XML document's structure into CSV: one row per element path or attribute, with counts and sample values.
Get started
Keep the documents you check, and watch them for changes.
A free workspace stores every version, extracts its structure for search, diffs it against the last one, and re-checks monitored URLs on a schedule — with a 5 MB document limit instead of 2 MB.