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Processed locally in your browser
JSON Formatter & Validator
Beautify, format, validate, and minify JSON data with line-accurate error detection.
Raw
Formatted
How to Use JSON Formatter & Validator
1
Paste JSON
Paste your raw JSON text into the editor.
2
Choose Action
Click 'Format 2-Spaces', 'Format 4-Spaces', or 'Minify'.
3
Copy or Download
Copy the cleaned JSON or save it as a .json file.
Features & Capabilities
Beautify with 2 spaces, 4 spaces, or tab indentation
Minify JSON payloads to a single line
Precise syntax error detection with error message and position
One-click copy and file download
Frequently Asked Questions
No. The validation and formatting runs entirely inside your browser's V8 engine.