XML Formatter for Developers
Format and beautify XML with proper indentation. Free browser tool — no signup required.
Quick Answer
Paste your XML and click Format to add proper indentation and line breaks for readable, well-structured XML.
How to Use the XML Formatter for Developers
- Use the input area to provide your data.
- The tool processes it instantly in your browser.
- Copy or download the result.
Frequently Asked Questions
- What makes this tool useful for developers?
- It runs entirely client-side with no data sent to servers, handles large JSON efficiently, and provides developer-friendly output with proper indentation and syntax validation.
- What is XML formatting?
- XML formatting adds consistent indentation and line breaks to XML documents, making the element hierarchy and nesting structure immediately visible without changing any data.
- Can I format invalid XML?
- The formatter uses a structural approach that handles most XML, but documents with significant syntax errors may produce unexpected output. Use the XML Validator to check validity first.
About This Tool
This XML Formatter for Developers is designed for software developers who work with XML data daily across APIs, configuration files, databases, and application code. It provides a professional-grade processing environment with developer-friendly features: proper syntax validation, detailed error messages for invalid input, and optimized output formatting that follows industry conventions. The tool runs entirely client-side using JavaScript, meaning your sensitive API responses, configuration secrets, and proprietary data structures never leave your machine. This is particularly valuable in enterprise environments where data privacy policies prohibit pasting sensitive information into cloud-based tools. The zero-installation, zero-configuration approach means you can use it instantly during debugging sessions, code reviews, and development without interrupting your workflow.
What is XML Formatter?
An XML formatter takes raw or poorly indented XML and produces a clean, human-readable version with consistent 2-space indentation for each nesting level. XML (Extensible Markup Language) is widely used for configuration files, data exchange between systems, SOAP web services, RSS/Atom feeds, and document formats like Office Open XML and SVG. Minified or machine-generated XML is nearly impossible to read without formatting. This tool parses the XML structure, identifies elements and their nesting depth, and outputs a properly indented document that makes the hierarchy immediately clear. It also offers minification to compress XML by removing all unnecessary whitespace.
How to Use This Tool
- Paste your XML into the input area.
- Click Format XML to add proper indentation.
- Click Minify XML to compress for production use.
- Copy the formatted or minified output.
Common Use Cases
- Formatting REST API responses during development
- Cleaning up JSON output from debugging sessions
- Preparing JSON for code review pull requests
- Processing configuration files across projects
Examples
<?xml version="1.0"?><root><user><name>Alice</name><age>30</age></user></root>
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