XML Beautifier

Free Online XML Beautifier

This page provides six browser-based XML utilities accessible from the left sidebar. Every tool runs entirely in your browser using the built-in DOMParser. No data is uploaded, no account is required, and nothing is stored. Select a tool, paste your XML or upload an .xml file, and the output appears immediately. All tools support drag-and-drop file upload for quick processing.

Online XML Beautifier with Configurable Indentation

API responses, configuration files, SOAP envelopes, and data feeds are often delivered as compact single-line XML that is difficult to read or debug. The XML beautifier on this page takes that compressed input and restructures it with your chosen indent size. Select 2 spaces, 4 spaces, or a real tab character from the toolbar dropdown. The output updates automatically as you type, so you see the beautified result immediately without pressing any button.

Beautification Options for Full Control

Two toggleable options give you fine-grained control over the beautification process. The Preserve Comments toggle lets you keep or strip XML comment nodes from the output. The Sort Attributes toggle reorders all attributes on each element alphabetically by attribute name, which is useful for producing consistent, comparable XML output across different sources or serializers.

Live XML Document Statistics

The statistics bar below the options panel shows a live summary of the XML document as you type or upload a file. It displays the total number of elements, total attribute count, maximum nesting depth, text node count, comment count, namespace count, and both input and output file sizes. This gives you immediate quantified insight into the structure and size of your XML document.

Free XML Beautifier with Tree View and File Upload

The XML Tree View tool is a visual way to explore XML documents. Instead of showing formatted code, it parses the XML and renders an interactive, expandable tree. Element names are displayed in purple, attribute names in cyan, attribute values in amber, and text content in green. Click any element that has children to expand or collapse its subtree. Nodes deeper than three levels start collapsed by default so you can see the high-level structure first and drill down as needed.

Drag-and-Drop File Upload

All tools on this page support drag-and-drop file upload. Drag an .xml, .xsl, .xsd, .svg, .rss, or .atom file onto the input panel, or click the Upload XML button in the toolbar to browse for a file. The file content is loaded into the editor and processed immediately. Because all processing is local, even large XML files are handled quickly without network delay.

XML Compact and XML Validator

The XML Compact tool removes all whitespace between tags and strips comments to produce the smallest valid XML string. This is useful for reducing payload size in REST and SOAP API responses, embedding XML in build artifacts, and storing XML in databases where size matters. The statistics bar shows both input and output sizes so you can see the exact reduction. To reverse compaction, paste the result into the XML Beautify tool.

Checking XML Well-Formedness

The XML Validator checks whether your XML follows the core syntax rules: a single root element, all tags properly opened and closed, attribute values enclosed in quotes, and reserved characters escaped. If the document is valid, it reports the root element name, child element count, declaration presence, encoding, and namespace. If invalid, it shows the parse error and lists common causes so you can locate and fix the problem quickly.

XML to JSON Converter and XML Escape

The XML to JSON converter takes a well-formed XML document and produces a structured JSON object. Element names become object keys, text content becomes string values, child elements become nested objects, repeated sibling elements with the same tag name become JSON arrays, and attributes are grouped under an @attributes key. This is useful when migrating data from XML-based systems to JSON-based APIs or when you need to process XML data in JavaScript without an XML parser.

Escaping Text for Safe XML Embedding

The XML Escape tool converts the five XML reserved characters to their entity references: ampersand becomes &, less-than becomes <, greater-than becomes >, double quote becomes ", and apostrophe becomes '. Use this when embedding user-supplied text in XML configuration files, inserting URLs with ampersands as query separators, placing code snippets in XML data fields, or preparing content for SOAP envelopes, RSS feeds, SVG files, or Android resource strings.

Privacy and Browser-Only Processing

Because all processing happens locally in your browser, your XML never leaves your device. This makes these tools safe to use with production configuration files, proprietary data formats, and XML that contains sensitive information. No data is transmitted to any server, no cookies are set, and no account or signup is required.

Related Online XML and Developer Tools

If you work with XML regularly, these other free tools on the site complement this page:

• XML Formatter -- format, minify, validate, convert XML to JSON, and escape XML strings
• XPath Tester -- test XPath expressions against XML documents with instant results
• JSON Formatter -- format, validate, minify, and convert JSON to other formats
• Code Formatter -- format HTML, CSS, JSON, XML, and JavaScript in one tool
• HTML Beautifier -- beautify, minify, validate, and transform HTML code
• CSV to JSON -- convert CSV data to JSON format instantly
• Base64 Decoder -- decode Base64-encoded data back to plain text