XML Formatter

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Input

Ready
Drop XML file

0 chars 0 lines 0 B

Output

Empty
Tree view is empty.
0 chars 0 lines 0 matches

XML Formatter and Validator

This XML Formatter helps you paste, upload, format, validate, minify, copy, and download XML in a cleaner structure. The workflow is simple: add XML, check whether it is valid, then convert it into readable indented output or compact minified output.

It also provides XML statistics and a tree view so users can inspect elements, attributes, nesting, comments, and CDATA sections more easily.

How to Use This App

  • Paste or upload your XML into the input editor
  • Click Validate to check for XML parsing errors
  • Click Format to create readable indented XML
  • Choose the indentation style, such as 2 spaces, 4 spaces, or tab
  • Use Minify when you need compact XML without extra spacing
  • Review the XML stats or tree view to inspect structure
  • Copy or download the final XML output

Examples and Use Cases

API response review: Paste a compact XML response from a REST or SOAP service and format it into readable nested lines. This makes it easier to check request IDs, status fields, error messages, and repeated child elements.

  • Debug invalid XML: Validate copied XML to find parsing problems such as missing closing tags, broken attributes, or incorrectly nested elements before using it in an application or configuration file.
  • Prepare XML for documentation: Format messy XML before adding it to developer notes, tickets, wiki pages, or code reviews so the structure is easier for others to read.
  • Minify XML for storage or transfer: Convert formatted XML into compact output when you need to reduce extra spaces and line breaks for test data, payload examples, or small configuration snippets.
  • Inspect document structure: Use the tree view and XML statistics to understand how many elements, attributes, comments, CDATA sections, and nesting levels exist in a document.
  • Work with local XML files: Upload an XML, XSD, SVG, or text file, validate the contents, format the output, then copy or download the cleaned version.

Helpful Details

Common XML Mistakes to Check

  • Missing closing tags: Every opened element must be closed, unless it is written as a self-closing tag.
  • Incorrect nesting: XML tags must close in the correct order, such as parent, child, child, parent.
  • Unquoted attributes: Attribute values should be wrapped in quotes, such as id="123".
  • Special characters: Characters such as ampersands and angle brackets may need proper XML escaping.
  • Multiple root elements: A valid XML document should normally have one main root element.

Formatter, Validator, and Minifier Differences

Formatting changes spacing and indentation so the XML is easier to read. Validation checks whether the XML can be parsed correctly. Minifying removes extra spaces and line breaks to create a more compact version.

Privacy and Local Use

This tool is useful for reviewing API responses, configuration files, SOAP payloads, SVG files, and XML snippets. Since the app runs in the browser with no external dependencies, XML content can be processed locally without needing a server upload.

Frequently Asked Questions

What does this XML Formatter do?

It formats XML into a readable structure, validates XML for parsing errors, minifies XML, and provides a tree view and basic XML statistics.

Can I validate XML before formatting it?

Yes. Use the Validate option to check whether the XML is well-formed before formatting, minifying, copying, or downloading the output.

Does this tool support XML file upload?

Yes. You can upload XML-related files such as XML, XSD, SVG, or text files, then format or validate their contents in the browser.

What is the difference between formatting and minifying XML?

Formatting adds indentation and line breaks to make XML easier to read. Minifying removes extra spaces and line breaks to make the XML more compact.

Is my XML sent to a server?

No. The app is designed as a standalone browser-based tool, so XML content is processed locally in your browser.

Can this tool validate XML against an XSD schema?

No. It checks whether the XML is well-formed and parseable, but it does not perform full XSD schema validation.

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