XML Formatter Beautify

Formats XML into clean, readable text with configurable indentation and attribute wrapping for developers, testers, and data engineers.

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1,696+
Total Calculations Run
< 15ms
Browser Execution Speed
100%
Client-Side Privacy
4.9 / 5.0
User Satisfaction

Worked Example & Common Values

Below is a sample worked calculation demonstrating how XML Formatter Beautify processes input data instantly inside your browser.

Sample Input Minified string: {"id":1,"status":"active","roles":["admin"]}
Computed Result { "id": 1, "status": "active", "roles": [ "admin" ] }
Execution Mode Client-Side In-Browser JS
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About This Tool

The tool accepts XML text and outputs a formatted version that is easier to read and review. It supports adjustable indentation, optional attribute wrapping, and an option to minify output for compact payloads. Conceptually, the process parses the input into a tree, then traverses it to generate a serialized text with the selected formatting policy. This separation between parsing and serialization ensures the resulting document remains well-formed and faithful to the original structure. Beneficiaries include developers refining integration tests, QA engineers validating payloads, and ops teams deploying configuration files. Unique value comes from combining robust well-formedness checks with flexible formatting rules and explicit handling of CDATA, comments, and namespaces. Core features include: (1) indentation control (size and character), (2) attribute wrapping on separate lines when needed, (3) minified output mode for compact transfers, (4) preservation of comments and CDATA when requested, and (5) encoding awareness (UTF-8 by default). Use cases span API payload formatting, configuration file preparation, and diffs for version control. The tool emphasizes deterministic formatting that reduces inline diffs and supports collaborative editing across environments.

How to Use

  1. Provide inputs: paste input_xml, set indent_size, indent_char, wrap_attributes, and minify_output.
  2. Choose formatting mode: pretty-printed or minified.
  3. Run formatting: execute the tool to produce formatted_xml and warnings.
  4. Review outputs: inspect formatted_xml, length, and any non-fatal messages.
  5. Save or export: copy or download the formatted XML.
How to use xml formatter beautify

Frequently Asked Questions

Find Quick Answers

What happens if the XML is not well-formed?
The tool reports a well-formedness error with details such as line and column when detectable. No formatted output is produced until the input is corrected to a well-formed XML document.
Can I preserve comments and CDATA sections?
Yes. If preserve_comments is enabled, comments are retained. CDATA sections are preserved as-is unless minifying is selected, in which case they remain intact but whitespace may be collapsed around them.
Does it validate against DTD/XSD schemas?
No. The formatter checks well-formedness only. It does not perform schema validation or structural transformations beyond formatting.
How does minify mode affect whitespace?
Minify mode collapses extraneous whitespace between elements while preserving text content and CDATA, ensuring the output remains a valid XML document but with reduced size.

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