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Sitemap XML Validator

Paste or load a sitemap XML file to count URLs, detect invalid loc entries, find duplicates, and review common warnings.

Runs locally in your browser. This tool does not upload your input.

Sitemap XML

Or drop a sitemap XML .xml · up to 2.0 MB. Read in your browser, never uploaded.

Results

URLs
0
Errors
0
Warnings
0
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    How to validate sitemap XML

    Check sitemap structure, URL entries, duplicates, and common warnings before submitting to search tools.

    How to use it

    Enter or load your data, adjust the available options, and review the generated result before copying or downloading it.

    What the result includes

    Sitemap Validator focuses on the practical output most users need first, with clear validation messages when the input cannot be processed.

    Good inputs

    • Use representative sample data before applying the result to production work.
    • Check warnings and edge cases shown by the tool.
    • Copy only the final output once it matches your expected format.

    Local processing

    This tool runs in your browser. The content you enter or the files you choose are not sent to a ProntoUso server.

    Sitemap Validator FAQ

    Does this tool upload my input?
    No. It runs locally in your browser and does not send the input to a ProntoUso server.
    Can I use the result directly?
    Yes, but review it first when the output affects production code, SEO files, campaigns, or business calculations.
    What happens if the input is invalid?
    The tool shows a clear error or warning so you can fix the input before using the result.