JSON Formatter & Validator
Format, validate, edit, minify, and view your JSON payloads.
Input
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Formatted Output
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What is a Json Formatter?
A JSON Formatter is a developer tool that takes raw, unformatted JSON (JavaScript Object Notation) data and transforms it into a clean, properly indented, human-readable structure. It helps you quickly spot errors, understand deeply nested objects, and validate whether your data conforms to the JSON specification — all without installing any software.
How to Use This Tool
- Paste your raw JSON string into the Input panel on the left.
- The tool instantly formats and validates your JSON in real time.
- Use the Format button to pretty-print, or Minify to compress.
- Toggle Tree View on the right panel to explore nested structures visually.
- Copy, download, or drag-and-drop .json files directly.
Key Features
- Real-time JSON formatting with syntax highlighting
- One-click minification for production payloads
- Built-in JSON validation with clear error messages
- Interactive tree view for exploring nested objects
- Drag-and-drop .json file upload support
- Copy to clipboard and download as .json file
- Bi-directional editing — edit input or output freely