XML Formatter

What is an XML Formatter?

Prettify and format unformatted or minified XML text into clean, human-readable indented structures. Highlights XML syntax errors, unclosed tags, and invalid attribute syntax.

Why Use This Tool?

SOAP & RSS Feed Inspection: Format unindented XML SOAP API responses or RSS/Sitemap XML feeds.
Config File Formatting: Format Java `pom.xml`, Android `AndroidManifest.xml`, or SVG files.
Syntax Validation: Detect unclosed tags or illegal XML entity characters.

How to Use

Paste raw XML text into the editor.
Select Indentation (2 spaces, 4 spaces, or tab).
Click "Format XML" and copy formatted output.

Real Working Example

Input:

Unformatted XML: <root><user id="1"><name>John</name></user></root>

Output Result:

Formatted XML:
<root>
  <user id="1">
    <name>John</name>
  </user>
</root>

Important Technical Details & Specifications

DOMParser & XMLSerializer Engine: Uses browser native `DOMParser` to build an XML DOM tree and serialize formatted nodes.
Preserves CDATA & Comments: Keeps XML CDATA sections, comments, and processing instructions intact.
Local Memory Execution: Zero network overhead.

Related Developer Tools

XML to JSON Converter: Convert XML text to JSON.
JSON Formatter: Prettify and format JSON.
HTML Editor: Edit HTML with live preview.

Frequently Asked Questions

Why is my XML formatting failing with a syntax error?

XML requires strict tag closure, case-sensitive tags, and quote marks around all attribute values.

Does it preserve XML attributes and comments?

Yes, attribute order, CDATA blocks, and comments are preserved.

Is it free?

Yes, 100% free.

Are my XML documents uploaded to a server?

No, formatting executes 100% locally inside your web browser.

What is the main function of XML Formatter?

Prettify, format, and indent messy or minified XML documents with customizable 2-space, 4-space, or tab indentation. This tool processes xml formatter data 100% locally inside your web browser.