About This Tool

What does this tool do?

An XML formatting engine that cleans and beautifies messy XML markup. Features customizable indentation (2/4 spaces, tabs), content collapsing, whitespace handling for self-closing tags (`<tag />`), and real-time XML syntax validation with error diagnostics.

When should you use it?

Use this tool to format unreadable or minified XML files, standardize indentation in XML configuration files, and verify XML tag nesting validity.

Key Capabilities & Features

W3C XML 1.0 specification well-formedness and syntax validation engine
Beautify and format messy XML documents with customizable tag indentation and clean nesting
Detect unclosed elements, mismatched tags, invalid CDATA blocks, and namespace conflicts
Collapsible tree view navigation for exploring massive XML document structures
One-click copy, download as formatted .xml file, or instant minification