JSON Viewer & Formatter
{ "appName": "MegaSimplify.com", "version": "1.0.0", "features": [ "Fast", "Free", "Client-Side Privacy", "No Signup Required" ], "activeToolsCount": 2, "meta": { "author": "MegaSimplify Team", "license": "MIT", "supportedFormats": [ "JSON", "Base64", "PNG", "JPEG", "SVG" ] }, "popular": true }
How to Use JSON Viewer & Formatter
Paste or Load JSON Data
Paste raw JSON code into the editor, upload a .json file, or click "Load Sample" to get started.
Choose Action (Format / Minify / Validate)
Click "Format" to beautify with custom indentation, "Minify" to condense into a single line, or check real-time syntax error markers.
Explore Tree View or Copy/Download
Switch to interactive Tree View to expand/collapse nodes, copy formatted code to clipboard, or download as a .json file.
Key Features
Real-time Syntax Validation
Instantly identifies syntax errors, line numbers, and unmatched brackets as you type.
Interactive Tree Inspector
Explore complex nested JSON objects with collapsible tree nodes, key count badges, and data type color indicators.
100% Client-Side Privacy
Your sensitive data never leaves your device. All parsing and formatting happens directly in your browser.
Custom Indentation & Minification
Format with 2 spaces, 4 spaces, or tabs, or compress JSON into a single-line minified payload.
File Upload & Instant Export
Drag and drop .json files directly into the editor and export cleaned JSON with a single click.