Paste JSON on the left to explore its structure as an interactive tree
Try with sample configuration data
Edit, validate, and format JSON online with real-time syntax checking — free tool
Paste JSON on the left to explore its structure as an interactive tree
Try with sample configuration data
Edit, validate, and format JSON data with real-time syntax checking in 3 simple steps
Load your JSON data into the editor by pasting, uploading a file, or loading sample data. The editor instantly validates syntax and highlights any errors with clear messages.
{
"api_config": {
"base_url": "https://api.example.com/v1",
"timeout": 30000,
"retry_attempts": 3
},
"database": {
"host": "localhost",
"port": 5432,
"name": "production_db"
},
"features": {
"authentication": true,
"caching": true,
"logging": {
"level": "info",
"format": "json"
}
}
}Modify keys, values, or structure directly in the editor. Every change is validated in real-time, and the statistics panel shows live size, line count, and validation status.
Format your JSON for readability, minify for production, or export the edited file. Download as .json or copy to clipboard — all changes are preserved.
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