Input JSON
Instant Validation
Automatically detect and highlight JSON syntax errors with detailed error messages
Beautiful Formatting
Format JSON with proper indentation and syntax highlighting for better readability
Tree View
Visualize complex JSON structures in an expandable tree format
How to Use JSON Formatter
1
Paste Your JSON Data
Copy and paste your JSON data into the input area, or click "Load Sample" to see an example
2
Choose Action
Click "Format & Validate" to beautify, "Minify" to compress, or "Tree View" to visualize
3
Copy or Download
Copy the formatted JSON to your clipboard or download it as a .json file
Common Use Cases
Debug API Responses
Format and validate JSON responses from APIs to identify errors quickly
Configuration Files
Format configuration files for better readability and maintenance
Data Analysis
View and analyze complex data structures in tree format
Code Development
Test and validate JSON data structures during development