Question 1

What is an XML validator?

Accepted Answer

An XML validator checks whether your XML document is well-formed, meaning it follows the syntactic rules of XML such as properly nested tags, correct attribute quoting, and a single root element. NexTool's XML Validator also shows detailed error messages with line and column numbers.

Question 2

Is NexTool's XML validator free?

Accepted Answer

Yes, NexTool's XML Validator is completely free to use. No signup, no download, and no limits. It runs entirely in your browser for maximum privacy and speed.

Question 3

Can I format and minify XML with this tool?

Accepted Answer

Yes, NexTool's XML Validator includes one-click format and minify buttons. Format pretty-prints your XML with configurable indentation (2 spaces, 4 spaces, or tabs). Minify removes all unnecessary whitespace to reduce file size.

Question 4

Does the XML validator support tree view?

Accepted Answer

Yes, you can toggle between formatted text output and an interactive tree view. The tree view lets you expand and collapse elements, see attributes, and explore complex XML structures visually.

Free XML Validator & Formatter

Need something more powerful?

NexTool on GitHub