XML Formatter pretty-prints, minifies, and validates XML in-browser. Configurable indentation, optional self-closing of empty tags, comment preservation toggle, and syntax-highlighted output. Uses the browser's native DOMParser for RFC-compliant validation with clear error messages for malformed XML.
XML may not be the trendiest data format, but it's still everywhere — RSS feeds, SOAP APIs, SVG files, configuration files (Spring, Maven, Android), build outputs, SAML assertions, and countless legacy integrations. When that XML shows up as a single line blob or with inconsistent indentation, it's brutal to read. XML Formatter solves that in-browser with no upload. Paste any XML — minified, poorly indented, or freshly copied — click Format, and get a cleanly indented tree with your preferred indent width. Empty elements can be auto-self-closed (<tag></tag> → <tag />) for compactness, and comments can be kept or stripped. The browser's native DOMParser validates the input — any syntax error (unclosed tags, invalid entities, mismatched quotes) surfaces with a clear error message including the approximate location. Syntax highlighting colors tags purple, attribute names blue, values green, and comments italic gray — making structure easy to scan. A Minify option collapses whitespace between tags for production use or embedding in a single-line string.
Converts minified or messy XML into cleanly indented output. Configurable indent width (0-8 spaces).
Uses the browser's DOMParser for spec-compliant validation. Syntax errors surface with location details.
Strip all whitespace between tags for compact output — useful for embedding XML in code strings or reducing payload size.
Colors tags, attribute names, values, and comments distinctly for easy scanning. Toggle off for plain text output.
Automatically collapse empty element tags (<tag></tag>) to self-closing form (<tag />) for compactness.
Keep comments for documentation, or strip them when preparing XML for production or API payloads.
SOAP bodies are single-line XML soup. Format to inspect the structure and find the field you need.
Paste a complex SVG, format it to see the path/rect/g structure, edit specific elements, copy back minified.
Format RSS/Atom feeds to verify item structure before parsing them programmatically.
Clean up pom.xml, build.xml, or Android manifest files for code review — consistent indentation makes diffs clearer.
Before saving a config, validate the XML is well-formed — catch a missing </tag> before it breaks production.
Click the XML icon in the DevSuite Pro dock. A panel opens with options and an input area.
Paste any XML — from an API response, config file, SVG, RSS feed, etc. Live validation runs as you type.
Press Format to get cleanly indented output. Invalid XML surfaces an error with location before formatting.
Adjust indent width, toggle self-close empty tags, keep/strip comments, and enable/disable syntax highlighting.
Click Copy to grab the formatted or minified XML for use in your code, docs, or API call.
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