Dev Toolbox

An all-in-one developer tools platform, providing efficient and convenient tools for developers

JSON Formatter Tool

Beautify and minify JSON data with syntax checking, error hints, and custom settings

📝 JSON Input

Characters: 0
Lines: 0
Parse Status: Not Parsed

📋 Output Result

Characters: 0
Lines: 0
Compression Ratio: 0%
Characters: 0
Lines: 1
Compression Ratio: 0%
JSON tree view will be displayed here
📁
Click or drag a JSON file here to upload
Supports .json and .txt file formats

JSON Syntax Example

{ "name": "Product Name", "price": 99.99, "in_stock": true, "tags": [ "New", "Sale" ], "metadata": { "created_at": "2023-01-01", "updated_at": null } }
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Usage Tips

  • After entering JSON text, click the "Format JSON" button to get beautified JSON
  • You can customize the indent size (0-8 spaces)
  • Select "Sort by Key Name" to arrange JSON object keys in alphabetical order
  • Supports three output views: Formatted (readable), Minified (space-saving), Tree View (structured)
  • You can enter JSON via the text box or upload a JSON file directly
  • The tool automatically checks JSON syntax correctness and provides error hints
  • The left side displays real-time statistics including character count, line count, and parse status
  • Formatted JSON can be copied or downloaded with one click