XML Formatter & Validator
NewFormat and validate XML in your browser, instantly detect parsing errors, and pretty-print well-formed output.
An XML formatter and validator helps developers debug configuration and API payloads that are failing to parse. Raw XML can be hard to scan when indentation and line breaks are missing, especially when nested elements are deep.
This tool parses your XML locally, reports whether it is well-formed, and can output a consistently indented version for easier review and code review diffs. Use it for webhook bodies, sitemap XML, and test fixtures.
All work runs client-side, so your input stays private. Your data never leaves your browser.
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