Validate your sitemaps to make sure there are no errors, any errors or issues in the XML sitemap file can cause search engines to stop indexing your website pages and affect your business and page ranking.
This validator tool will check your sitemaps for well-formness and schema specified in the Sitemap protocol. It also checks and validates any XML files, including Google image, video, news and mobile sitemaps. This tool is written in pure C++ for all Windows platforms. The application comes in two flavors. A graphical user interface and command-line. The tool has virtually no limitations and supports remote XML/Sitemap validation. The application also supports XML/Sitemap gzip(.gz) format files.