Beautify, validate, minify, and convert XML instantly in your browser. Syntax highlighting, real-time error detection, tree view, and XML-to-JSON conversion — zero uploads, zero server.
The XML Formatter & Validator by WorldOfTools is a free, privacy-first developer utility to beautify, validate, minify, and convert XML in your browser. Whether you're debugging API responses, cleaning up configuration files, inspecting SOAP payloads, or converting XML to JSON — this tool handles it instantly with no uploads required.
All processing happens entirely in your browser using JavaScript and the native DOMParser API. Your XML data is never sent to any server, never stored, and never logged.
Paste Your XML — Paste raw, minified, or messy XML into the left input pane.
Choose Indent — Select 2-space, 4-space, or tab indentation from the toolbar.
Click Format — Instantly get beautified XML with syntax highlighting and validation status.
Copy or Download — Copy the output to clipboard or download it as an .xml file.
Yes. The tool parses your XML using the browser's native DOMParser and instantly highlights any syntax errors including missing closing tags, invalid characters, and malformed attributes.
100% safe. All formatting is done locally in your browser using JavaScript. Your sensitive API data, credentials, or XML payloads never leave your device.
Yes. Use the Convert tab to transform your XML into clean, formatted JSON with one click. Attributes, text content, and nested elements are all properly mapped.
Yes, choose between 2-space, 4-space, or tab indentation from the settings bar at the top of the tool.
Yes. Since everything runs in your browser with no server calls, the XML formatter works even without an internet connection once the page is loaded.
The tool handles XML 1.0 documents with standard UTF-8 encoding, which covers the vast majority of real-world XML including REST/SOAP API responses, RSS feeds, SVG, Android layouts, Maven POM files, and more.