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XML Highlighter

Highlight XML syntax with color coding. Free online XML highlighter tool with real-time highlighting, XML-specific syntax colors, and easy copy/download.

L ading . . .

The XML Highlighter is an online tool that provides syntax highlighting specifically for XML code. Syntax highlighting makes XML more readable by colorizing different elements like tags, attributes, text content, comments, and CDATA sections according to their meaning in XML structure.

What is this tool for?

Our XML Highlighter tool is perfect for developers, data analysts, XML developers, and anyone who works with XML documents. Whether you're reviewing XML, preparing documentation, sharing XML snippets, or learning XML structure, syntax highlighting makes XML easier to read and understand.

Common use cases include:

  • Highlighting XML snippets for documentation or blog posts
  • Reviewing and analyzing XML structure and hierarchy
  • Learning XML with visual syntax cues
  • Preparing XML for presentations or tutorials
  • Debugging XML structure issues
  • Quick XML formatting and visualization
  • Comparing XML documents with visual highlighting

How to Use the Tool

  1. Enter XML: Paste or type your XML code into the input panel on the left. You can also upload an XML file using the file upload button.
  2. View Highlighted XML: The XML will automatically be highlighted in the right panel with syntax coloring based on XML elements.
  3. Load Sample: Click the "Load Sample" button to load example XML code.
  4. Copy or Download: Use the copy button to copy the highlighted XML, or download it as a file.
  5. Clear: Use the "Clear" button to reset the input.

Understanding XML Syntax Highlighting

XML syntax highlighting displays XML code in different colors according to the category of elements. This makes XML easier to read and understand by visually distinguishing:

  • XML Tags: Element names (e.g., <book>, <title>) - typically highlighted in blue
  • Attributes: Attribute names (e.g., id, category) - typically highlighted in red
  • Attribute Values: Values assigned to attributes - typically highlighted in green
  • Text Content: Text between opening and closing tags - typically in black
  • Comments: XML comments (<!-- comment -->) - typically highlighted in gray
  • CDATA Sections: Character data sections (<![CDATA[...]]>) - highlighted with special formatting
  • XML Declaration: XML prolog (<?xml ... ?>) - highlighted distinctly
  • Processing Instructions: XML processing instructions - highlighted distinctly

XML Highlighting Features

  • Real-time Highlighting: XML is highlighted automatically as you type or paste
  • XML-Specific Colors: Specialized color scheme optimized for XML structure
  • Tag Recognition: Opening and closing tags are clearly distinguished
  • Attribute Highlighting: Attributes and their values are color-coded separately
  • Comment Detection: XML comments are highlighted distinctly
  • CDATA Support: CDATA sections are highlighted with special formatting
  • File Upload: Upload XML files directly for highlighting
  • Copy & Download: Easily copy or download highlighted XML
  • Privacy-focused: All processing happens in your browser - your XML never leaves your device

Example: XML with Syntax Highlighting

Here's how XML looks with syntax highlighting:

<?xml version="1.0" encoding="UTF-8"?>
<bookstore>
    <book id="1" category="fiction">
        <title lang="en">The Great Gatsby</title>
        <author>F. Scott Fitzgerald</author>
        <year>1925</year>
        <price currency="USD">10.99</price>
    </book>
    <!-- This is a comment -->
</bookstore>

With syntax highlighting, you can see that:

  • XML tags (<bookstore>, <book>, <title>) are highlighted in blue
  • Attributes (id, category, lang, currency) are highlighted in red
  • Attribute values ("1", "fiction", "en", "USD") are highlighted in green
  • Text content ("The Great Gatsby", "F. Scott Fitzgerald") is in black
  • Comments (<!-- This is a comment -->) are highlighted in gray

Benefits of XML Syntax Highlighting

  • Improved Readability: Color coding makes XML structure immediately visible
  • Faster Debugging: Quickly identify mismatched tags or missing attributes
  • Better Understanding: Visual cues help understand XML hierarchy and nesting
  • Error Detection: Syntax highlighting can help spot structural issues
  • Professional Presentation: Highlighted XML looks professional in documentation
  • Learning Tool: Helps beginners understand XML structure

Tips for Using the XML Highlighter

  • Use Sample Code: Click "Load Sample" to see example XML with highlighting
  • File Upload: For large XML files, use the file upload feature
  • Copy Highlighted Code: Use the copy button to copy highlighted XML for documentation
  • Download: Download highlighted XML as a file for later use
  • Real-time Updates: Highlighting updates automatically as you edit XML
  • Structure Review: Use highlighting to review XML structure and hierarchy

XML Syntax Elements

Our XML highlighter recognizes and highlights all major XML syntax elements:

  • XML Declaration: <?xml version="1.0" encoding="UTF-8"?>
  • Elements: Opening tags (<element>), closing tags (</element>), and self-closing tags (<element/>)
  • Attributes: Name-value pairs within elements (name="value")
  • Text Content: Text between opening and closing tags
  • Comments: <!-- comment text -->
  • CDATA Sections: <![CDATA[character data]]>
  • Processing Instructions: <?target data?>
  • Entity References: &entity; &lt; &gt; &amp; &quot; &apos;

Frequently Asked Questions

What is XML syntax highlighting?

XML syntax highlighting is a feature that displays XML code in different colors according to the category of elements (tags, attributes, text content, comments, etc.). This makes XML easier to read and understand by providing visual cues about the XML structure.

Does the highlighter modify my XML code?

No, the highlighter only adds syntax highlighting (colors and formatting) to make the XML more readable. It doesn't modify the actual XML content, structure, or functionality. The highlighted output is read-only to preserve the formatting.

Can I highlight XML from a file?

Yes! You can upload an XML file using the file upload button in the input panel. The tool will automatically load the file content and highlight it with XML-specific syntax colors.

What XML versions are supported?

The highlighter supports XML 1.0 and XML 1.1. It recognizes all standard XML syntax elements including tags, attributes, comments, CDATA sections, and processing instructions.

Does it support XML namespaces?

Yes, the highlighter supports XML namespaces. Namespace declarations and qualified names are properly highlighted according to XML syntax rules.

Can I copy the highlighted XML?

Yes, you can copy the highlighted XML using the copy button in the output panel. The copied XML will include the formatting, though the actual colors depend on where you paste it (some applications preserve syntax highlighting, others don't).

Is my XML data stored or logged?

No, all highlighting happens entirely in your browser. We don't store, log, or transmit your XML data to our servers, ensuring complete privacy and security.

How is this different from a general code highlighter?

The XML Highlighter is specifically optimized for XML syntax with XML-specific color schemes and element recognition. It provides better highlighting for XML-specific features like CDATA sections, processing instructions, and XML declarations compared to general-purpose code highlighters.

Tags

XML Highlighter XML Syntax Highlighting XML Formatter XML Tools Syntax Highlighter XML Viewer Code Highlighting
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