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ToolNest AI
Free

Sitemap Validator

Validate XML sitemaps, detect errors and ensure they are ready for Google Search Console.

checklist

Validate XML Sitemap

checklist

Enter a sitemap URL, paste XML or upload a file

Validates sitemap.xml files against the official Sitemap Protocol — detects XML errors, invalid URLs, date format issues, duplicates and HTTPS consistency.

XML SyntaxURL ValidationDuplicate URLslastmod DatesSitemap IndexScore 0–100

About Sitemap Validator

Paste XML, enter a sitemap URL or upload a sitemap.xml file to instantly validate it against the official Sitemap Protocol. The validator parses the XML structure, checks every URL entry for valid loc values, correct lastmod dates (ISO 8601), valid changefreq and priority ranges, duplicate URLs, URL length violations and HTTPS consistency. Sitemap Index files are auto-detected — nested sitemaps are listed and counted separately. An overall Validation Score (0–100) surfaces every issue with actionable recommendations. Export the full report as CSV, JSON, TXT or a print-ready PDF.

Frequently Asked Questions

A sitemap validator checks your sitemap.xml file against the official Sitemap Protocol specification to ensure it is correctly structured, free of errors and ready for submission to Google Search Console. It verifies XML syntax, URL validity, date formats, priority ranges and changefreq values.

An invalid sitemap is silently ignored by search engines — Google will report errors in Search Console but won't crawl the broken entries. Common issues include malformed XML, invalid URLs, incorrect date formats and duplicate entries. Validating before submission ensures all URLs are discovered and indexed efficiently.

Yes. Sitemap Index files (which contain references to individual sitemap files) are automatically detected and validated. The tool lists every nested sitemap with its lastmod date and validates the overall structure of the index file.

Yes. The validator detects XML syntax errors, invalid or unreachable URLs, malformed lastmod dates, out-of-range priority values, unsupported changefreq values, duplicate URLs, URLs over 2048 characters, HTTP/HTTPS mixed content and missing required fields.

Yes, 100% free with no account required and no usage limits. XML parsing and validation run client-side in your browser; the URL fetch uses a server-side proxy to bypass CORS restrictions.

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