JSON Formatter & Validator
Format, beautify, minify, and validate JSON data instantly in your browser with syntax highlighting and tree view.
Input
Output
Formatted output will appear here
What is JSON Formatter & Validator?
JSON Formatter is an essential online developer tool that transforms raw unstructured JSON data into clean readable properly-indented code. This JSON formatter supports beautify mode with custom indentation for debugging minify mode to reduce file size for production and built-in JSON validation that pinpoints syntax errors with precise line and column indicators. The tool also provides a collapsible tree viewer for navigating complex nested JSON objects and arrays effortlessly. Perfect for API response inspection configuration file editing and data exchange debugging this JSON formatter works entirely in your browser with no data ever sent to external servers ensuring complete privacy and security for sensitive JSON data processing.
When to Use JSON Formatter & Validator
Use when inspecting API responses, beautifying minified config files, validating JSON syntax, or preparing JSON for documentation and sharing.
How to Use JSON Formatter & Validator
Paste or type your JSON data into the input area. Click Format to beautify with indentation, Minify to compress, or Validate to check for syntax errors. Use the tree view to explore nested structures.
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