Question 1

How does the XML formatter work?

Accepted Answer

The formatter parses your XML using the browser's built-in DOMParser, then reconstructs it with proper indentation. You can choose between 2 spaces, 4 spaces, or tab indentation. It preserves all content, attributes, CDATA sections, and comments.

Question 2

What errors can the validator detect?

Accepted Answer

The validator detects all well-formedness errors including unclosed tags, mismatched tags, invalid characters, malformed attributes, missing quotes, duplicate attributes, and invalid XML declarations. Error messages include the approximate line number.

Question 3

What is the difference between formatting and minifying?

Accepted Answer

Formatting (beautifying) adds proper indentation and line breaks to make XML human-readable. Minifying removes all unnecessary whitespace and line breaks to create the smallest possible file size, ideal for production use.

XML Formatter & Validator

NexTool on GitHub