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ToolNest AI
Free

XML Formatter

Format, beautify, validate and minify XML documents with syntax highlighting and one-click copy/export.

codePaste or type XML here, or upload a .xml file

About XML Formatter

Paste raw or minified XML and instantly get a beautifully formatted, syntax-highlighted, and validated result. Identifies syntax errors with line and column detail, auto-indents nested elements, minifies for production, and lets you copy or download the cleaned XML in one click. All processing is 100% client-side — your data never leaves the browser.

Frequently Asked Questions

Yes. It uses the browser's built-in DOMParser to validate the XML structure and reports the exact error message when the XML is malformed.

You can choose 2-space, 4-space, or tab indentation for the formatted output.

Yes. The Minify action strips all unnecessary whitespace and line breaks to produce a compact, single-line XML output.

No. All formatting, validation, and minification happens entirely in your browser using the DOMParser and XMLSerializer APIs. Nothing is ever uploaded.

There is no hard limit. The tool handles large XML files well since processing is done natively by the browser engine.

Yes. Click the Upload button to open an .xml file from your device — the contents are loaded directly into the editor.

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