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XML Formatter

XML Formatter | Beautify & Indent XML Code | Toolkk

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XML Formatter

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XML Formatter

Free Tool

Convert messy XML code into a clearly structured, standard format to improve development efficiency and code readability.

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OverviewCommentsChangelogAPI

API Service Coming Soon

API access is not yet available for this tool. Contact support if you need integration.

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XML Formatter: Core Features and Principles

Struggling to read messy XML? This tool parses the XML document tree structure and automatically adds standardized indentation and line breaks, converting minified or poorly formatted XML code into a clear, hierarchical visual structure. Each element node in the XML (eXtensible Markup Language) document is intelligently indented based on its nesting depth, outputting a formatted result that complies with W3C standards.

Why Choose Our XML Formatter?

Custom indentation spaces (freely adjust between 1 to 8 spaces).
Fully preserves CDATA blocks and comments to ensure data integrity.
Real-time processing with no server submission required, instantly generating copyable results.

How to Use

Paste your XML code into the input box.
Set the number of indentation spaces (default is 4 spaces).
Instantly get the formatted result and copy it with one click.

Frequently Asked Questions (FAQ)

Will formatting change my XML content?
No. It only adjusts whitespace for layout purposes and does not modify the original data structure or content values.

Can it process very large XML files?
The maximum limit for a single process is 10MB. We recommend splitting oversized files and processing them in batches.

Important Notes

This tool only supports well-formed XML (with properly closed tags). Please verify syntax correctness before processing. For sensitive data, we recommend operating in a local environment, though the formatting process does not store any of your input content.

Technical Notes & Best Practices

In development scenarios, we recommend adopting a standard 2-space indentation. This maintains a compact layout while ensuring readability. For example: after indenting a tag by 2 spaces, its child element will automatically progress to the 4-space level.

XML

Formatter

Beautifier