JSON & XML Formatter
Beautify, minify, validate and convert JSON and XML instantly. Syntax highlighting, tree view, error detection, JSON↔XML conversion and more — all free, all in your browser.
// Your formatted JSON will appear here
<!-- Your formatted XML will appear here -->
Free Online JSON & XML Formatter
A complete developer tool for formatting, validating and converting JSON and XML. All processing happens locally in your browser — your data never leaves your device.
JSON Beautifier
Paste minified or messy JSON and instantly beautify it with configurable indentation (2 spaces, 4 spaces or tabs). Syntax highlighting included.
JSON Minifier
Strip all whitespace from JSON to produce the smallest possible file size — perfect for production APIs and config files.
JSON Validator
Instantly detect syntax errors in JSON with precise error messages showing exactly where the problem is. Supports JSON5-style comments.
JSON Tree View
Explore complex JSON structures in an interactive collapsible tree. Expand and collapse nodes to understand deeply nested data at a glance.
XML Beautifier
Format compressed or poorly indented XML into clean, readable code with configurable indentation and full syntax highlighting.
JSON ↔ XML Converter
Convert JSON to XML and XML to JSON with a single click. Configure root element names, attribute handling and output format.