Format, validate, and minify XML documents instantly. Free online XML beautifier with syntax highlighting, error detection, and one-click copy.
The Tooloogle XML Formatter beautifies messy, minified, or single-line XML into properly indented, readable documents. It also validates well-formedness, highlights syntax, and minifies XML back to a compact form for production payloads.
Plain XML and SOAP envelopes
RSS / Atom feeds, sitemaps, OPML
Configuration files (Maven pom.xml, web.xml, Android resources)
Office Open XML fragments (DOCX, XLSX internals)
SVG markup
Beautify — pretty-print with configurable indentation (2, 4 spaces, or tabs).
Minify — collapse to a single line for transport.
Validate — check well-formedness and report errors with line numbers.
Syntax highlighting — colour-coded tags, attributes, values, and comments.
Preserve / strip comments — choose to keep or remove <!-- ... --> blocks.
Self-closing tags — collapse empty elements (<tag/>) where allowed.
Paste XML (or drop an .xml file) into the input.
Click Beautify or Minify.
Errors appear instantly with line numbers and a description.
Copy or download the result.
Debugging SOAP API requests and responses. Reviewing RSS feeds and sitemaps. Cleaning up XML configuration files before commit. Inspecting SVG markup. Preparing payloads for testing tools (Postman, SoapUI). Diffing two XML documents in a code review.
All formatting and validation runs locally in your browser. No XML is uploaded or logged.
How to Use XML Formatter - Beautify, Minify & Validate XML Online
Copy and paste your unformatted or unminified XML into the input box.
Click Format XML to beautify, indent, and structure your XML for better readability. Or click Minify XML to compress the XML into a single-line compact format.
Click the Copy button to quickly copy the formatted or minified XML for further use in your projects, API testing, or documentation.
Format, validate, and minify XML documents instantly. Free online XML beautifier with syntax highlighting, error detection, and one-click copy.
Tool Use:
27Type:
Free ToolPrivacy:
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