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JSON Formatter & Validator
100% In-Browser Execution
Raw JSON Input Valid
16 lines • 0.3 KB
Evaluated JSONPath:
Value:Object (0 keys)
No valid JSON object to display. Format or paste JSON on the left.
Tool Documentation, Shortcuts & FAQs
How to Use JSON Formatter & Validator
- 1Paste your raw or minified JSON text into the input panel or click 'Upload File'.
- 2Select your preferred indentation (2 spaces, 4 spaces, or Tabs).
- 3Click 'Format' to beautify or 'Minify' to compress.
- 4Review any highlighted syntax errors if your input is invalid.
- 5Use 'Copy' to copy to clipboard or 'Download' to save as a .json file.
Key Capabilities
Beautify & Custom Indentation
Choose between 2 spaces, 4 spaces, or tab indentation to match your codebase formatting rules.
Instant Syntax Validation
Pinpoints exact line and column numbers of trailing commas, unescaped quotes, and misplaced brackets.
Interactive JSON Path Finder
Click any key or value in the tree to automatically generate its JavaScript (x.prop) or JSONPath ($.prop) path.
Minification
Strip all unnecessary whitespace and line breaks for lightweight API payloads and storage.
File Upload & Download
Load local JSON files directly from your disk and download formatted outputs with a single click.
100% Local Browser Privacy
All parsing and stringification happens inside your browser's V8 engine. Zero data leaves your machine.
Frequently Asked Questions
No. All formatting, minification, and validation are performed locally in your web browser using client-side JavaScript. Your sensitive payloads never leave your computer.
Zero Data Retention
All calculations are performed strictly in client-side memory using your browser engine. No data is ever sent across the network.