XML Formatter
Dealing with a massive, unreadable block of XML from an old API? Our free XML Formatter instantly indents and structures your data into a clean, human-readable tree.
What is the XML Formatter - Beautify XML Code Online?
The XML Formatter is a developer utility that takes raw, minified, or disorganized eXtensible Markup Language (XML) data and 'beautifies' it by applying consistent indentation and line breaks based on the node hierarchy.
How to use the XML Formatter - Beautify XML Code Online
- Paste your messy XML string into the input area.
- Select your preferred indentation (e.g., 2 spaces, 4 spaces, or Tabs).
- The tool instantly parses and formats the data.
- Copy the structured XML to your clipboard.
Example
Input: `<root><user><name>John</name><age>30</age></user></root>`. Output creates a tiered structure where `<user>` is indented inside `<root>`, and `<name>` is indented inside `<user>`.
Understanding Your Results
The formatted output makes it incredibly easy for the human eye to trace parent-child relationships within the data, spot missing closing tags, or identify incorrect attributes.
Common Use Cases
- API Integration: Debugging SOAP API responses that are returned as a single, massive string of text.
- Sitemap Management: Reviewing an exported `sitemap.xml` file to ensure URLs are structured properly before uploading to Google Search Console.
- Legacy Systems: Analyzing data exports from older enterprise systems that rely heavily on XML over JSON.
How it Works
The tool reads the XML string and tracks the opening `<tag>` and closing `</tag>` elements. Every time a tag opens, it increases the indentation level for the next line. When a tag closes, it decreases the indentation, creating a visual hierarchy.
Tips & Accuracy Notes
- •The formatter will attempt to fix minor syntax spacing issues, but it cannot fix broken or mismatched tags. Invalid XML will usually result in an error or warped formatting.
- •If you have a massive XML file (over 10MB), formatting it in a browser may cause the page to lag temporarily.
Frequently Asked Questions
What is the difference between XML and HTML?
HTML has predefined tags (`<h1>`, `<p>`) used specifically to display data visually in a browser. XML allows you to create your own custom tags (`<customer>`, `<price>`) specifically to store and transport data.
Does formatting XML break it?
Usually no. However, if your application strictly relies on exact character matching (including spaces between tags) for cryptography or signature validation, formatting the XML will break those signatures.
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Disclaimer: Tool parses data locally in the browser. Always ensure your XML is syntactically valid before attempting to format it.