XML Formatter
Format, beautify, and indent minified XML documents and SOAP messages with clean, standardized XML tag hierarchies.
Quick Answer & Understanding Your Result
An XML Formatter beautifies and standardizes unorganized, single-line, or minified XML documents into clean, indented W3C XML structures.
Core Formatting Capabilities
- Hierarchical 2-Space Indentation: Organizes nested parent-child tag hierarchies with consistent 2-space indentation.
- Self-Closing Tag Optimization: Collapses empty elements into clean self-closing tags (
<item/>). - CDATA & Comment Preservation: Strictly preserves raw markup inside
<![CDATA[...]]>sections and inline XML comments (<!-- comment -→).
Enterprise & Web Applications
- SOAP Payload Debugging: Un-minifying and formatting enterprise SOAP response packets for fast inspection.
- Sitemap & SVG Formatting: Prettifying XML sitemaps, RSS feeds, and raw SVG vector graphic files.
Paste your raw or minified XML code above to format and prettify your document instantly.
Formula & Calculation Logic
Technical Specification & ASTDOM formatting process:
- Parses XML token tree and recalculates nested indentation depths.
Step-by-Step Guide
Paste Raw/Minified XML
Paste single-line or poorly formatted XML into the editor.
Deterministic DOM Indentation
The engine recalculates tag nesting depths and formats the tree in 0ms.
Copy Beautified XML
Copy clean indented XML or save as an .xml file.
Worked Examples Table
| Example | Input Values | Calculated Result | Explanation |
|---|---|---|---|
| Minified XML to Formatted | Expanded single-line XML into a clean multi-line indented document. | ||
| SOAP API Request Envelope | Provides instant quantitative evaluation for comparative practical analysis. |
Frequently Asked Questions
Evidence-Based Methodology & Authoritative References
W3C XML 1.0 Specification
W3C Scalable Vector Graphics (SVG) 2
Standard: ISO / W3C / IETF Authoritative Domain Standard
Formula: Beautified XML = xmlFormat(input, indentation: ' ', collapseContent: true )
Last Reviewed: August 21, 2026
Primary Source: W3C XML 1.0 Specification
Reference Document: W3C Scalable Vector Graphics (SVG) 2
Computation Privacy: 100% client-side 0ms computation, zero data retention
All algorithms, formatters, and data conversions run 100% locally in your browser following official technical standards (RFC, ISO, W3C). Output should be verified prior to mission-critical production deployment.
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Calculated results are modeled based on standard scientific and mathematical formulas. Please verify with domain-specific technical documentation for specialized applications.