What it checks
- XML well-formedness (tag mismatch, invalid characters, encoding problems).
- Google Merchant-oriented checks when you choose Merchant mode.
- Clear error messages with line numbers to speed up fixes.
Tool
Validate an XML product feed, find the exact line where it breaks, and fix the errors that stop Google Merchant Center from importing products.
A missing closing tag is enough to break the entire document.
<?xml version="1.0" encoding="UTF-8"?>
<rss>
<channel>
<item>
<title>Blue Widget</title>
<description>Starter pack
<item>
</channel>
</rss>
Close tags properly (and keep the structure consistent across every product entry).
<?xml version="1.0" encoding="UTF-8"?>
<rss>
<channel>
<item>
<title>Blue Widget</title>
<description>Starter pack</description>
</item>
</channel>
</rss>