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XML Beautifier

xmlClient-side utility

Extensible Markup Language powers numerous enterprise systems, configuration schemas, SOAP web services, and RSS feeds. Production web servers and API endpoints often compress XML responses into a single continuous line without indentation or line breaks to reduce transfer sizes. Reading, editing, and troubleshooting unformatted XML blocks is frustrating and makes finding misplaced elements or broken tags difficult. This XML beautifier solves the readability problem by reformatting raw XML into an organized, indented document right inside your browser. It applies clean two-space indentation while correctly aligning sibling elements, parent wrappers, and single-line tags. The beautifier runs locally in your browser using client-side JavaScript. The tool does not intentionally send the entered markup to our servers.

✓ 100% In-Browser Execution✓ Free & No Usage Cap✓ Zero Server Data Storage

❓ XML Beautifier

Pretty-print and format raw XML with proper indentation for readability. Free, private, runs 100% in your browser.

📖How to Use This Tool

What is XML Beautifier?

XML Beautifier is a document formatting tool that transforms compressed XML text into a properly indented and readable structure. XML uses nested tags to define hierarchical information, but production systems typically remove indentation to minimize payload sizes.

This tool reorganizes raw XML by placing individual elements onto separate lines with uniform two-space indentation. Its formatting engine manages element hierarchy, handling opening, closing, self-closing, comment, and single-line sibling elements so you can clearly inspect data relationships.

How to use it

  1. Paste your unformatted XML markup into the input field labeled "Raw XML".
  2. Click the "Beautify" button to format the markup with proper hierarchical indentation.
  3. Review the indented output displayed inside the "Formatted XML" box.
  4. Copy the beautified XML directly into your code editor or workflow.

Why use this over alternatives

Many formatting websites send submitted documents to external servers for processing, creating privacy risks for proprietary enterprise data. This beautifier operates locally in your browser using client-side JavaScript, and does not intentionally send the entered markup to our servers. You can format large XML documents with proper sibling indentation quickly without registration.

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✅

XML Validator — Check XML Syntax

Extensible Markup Language enforces strict syntax standards known as well-formedness. Unlike forgiving HTML parsers that attempt to display broken pages despite missing tags or unquoted attributes, standard XML parsers immediately halt processing if they encounter an unclosed element, an illegal character, or a mismatched tag pair. Debugging these syntax errors in lengthy configuration files or feeds can stall development pipelines. This XML validator checks whether your markup is well-formed directly in your browser. Using the browser's native DOMParser engine, it verifies closing tags, attribute quoting, and tag nesting. When the XML is valid, it reports the root element and count of direct children; if an error exists, it points out the exact parsing failure.

❓Frequently Asked Questions

Q.Does beautifying XML alter the underlying data or attribute values?

No. The beautifier modifies only whitespace, line breaks, and tag indentation to improve visual clarity. Your element tag names, attributes, values, text nodes, and comments remain intact. If your schema relies on significant whitespace inside specific text elements, verify that inserted line breaks do not alter downstream processing.

Q.How does the tool handle single-line tags and sibling elements?

The formatter recognizes complete elements contained on a single line, such as text tags with matching opening and closing markers on the same row. It maintains the current indentation level for these elements and formats adjacent sibling tags with consistent alignment, preventing excessive indentation drift across nested structures.

Q.What happens if my XML contains comments or declaration tags?

The formatting logic detects special XML constructs, including XML declarations, DOCTYPE declarations, and multi-line comments. It preserves these headers without miscalculating the indentation depth of subsequent child elements, ensuring that your document structure retains proper nesting from the root element through all nested branches.

Q.Is my XML data kept private when using this tool?

Yes. All formatting operations take place locally in your browser, and the tool does not intentionally send the entered markup to our servers. The tool does not intentionally send the entered data to our servers. You can safely beautify sensitive files on your local machine.

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