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Online XML Formatter

Format, validate, pretty-print, and minify your XML data. Paste code or upload a file.

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Professional XML Formatter & Beautifier

Transform your messy XML code into perfectly formatted, readable documents with our advanced XML formatter. This powerful XML beautifier and pretty-printer is designed for developers, data analysts, and web administrators who work with XML data daily. Whether you're debugging SOAP API responses, formatting configuration files, or preparing XML data for production, our tool ensures your XML is clean, properly indented, and easy to read. Support for multiple indentation styles (2-space, 4-space, and tabs) allows you to match your project's coding standards. Our XML linter also helps identify structural issues and syntax problems, making it an essential tool for XML development and maintenance.

Beautify & Format XML

Clean up your messy XML into a human-readable format. Our tool automatically indents your code, making it easy to read and understand. Supports 2 spaces, 4 spaces, and tabs for indentation.

Validate & Debug

Instantly validate your XML data. Our tool acts as an XML checker, highlighting syntax errors and providing clear messages to help you debug and fix your code quickly.

Convert Data Formats

Seamlessly convert your XML data to other popular formats like JSON, CSV, and YAML. Our powerful conversion tools simplify data transformation between different systems.

Tree View & Navigation

Explore your XML data in a structured tree view. This feature allows you to easily navigate through complex nested elements and attributes.

Upload & Download Files

Directly upload your XML files to format them. Once you are done formatting or converting, you can download the result as a file, streamlining your workflow without copy-pasting.

Privacy & Local Processing

Your data's privacy is paramount. All formatting and validation happen directly in your browser. No data is sent to our servers, ensuring your information remains secure.

Advanced XML Validation & Syntax Checking

Our XML formatter doubles as a comprehensive XML validator and syntax checker, ensuring your XML documents are not only well-formatted but also syntactically correct. The built-in XML linter performs real-time validation, checking for common issues like mismatched tags, unclosed elements, invalid characters, and malformed attributes. When errors are detected, our XML checker provides precise error messages with line numbers, making debugging effortless. This is particularly valuable when working with complex XML schemas, SOAP messages, or configuration files where a single syntax error can break entire systems. The validation engine follows W3C XML standards, ensuring compatibility with all XML parsers and processors across different programming languages and platforms.

XML Formatting Example

Try our XML formatter with this sample configuration data. The tool will automatically detect XML syntax, format it with proper indentation, and validate the structure. You can modify the XML or paste your own data to see the formatting in action.

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Why Choose Our XML Formatter?

Our XML formatter stands out from other online tools with its comprehensive feature set and professional-grade functionality. Unlike basic formatters that only add indentation, our tool provides complete XML processing including validation, conversion, and optimization. The interface is designed for both beginners and advanced users, with features like syntax highlighting, error detection, and multiple output formats.

Perfect for Developers

Whether you're working with REST APIs, SOAP services, or configuration files, our XML formatter handles all your formatting needs. The tool supports various XML standards including XHTML, SVG, and custom schemas.

  • • Format SOAP request/response XML
  • • Beautify configuration files (Spring, Maven, etc.)
  • • Validate XML schemas and DTDs
  • • Convert XML to JSON, CSV, or YAML

Enterprise Ready

Built for professional use with enterprise-grade features including large file support, batch processing capabilities, and secure local processing that never sends your data to external servers.

  • • Process large XML files (MB+ size)
  • • Client-side processing for security
  • • Support for all XML encodings
  • • Cross-platform compatibility

Frequently Asked Questions (FAQ)

Our XML Formatter and Validator works seamlessly on Windows, Mac, and Linux, across all modern browsers like Chrome, Firefox, Safari, and Edge.