CSV to JSON Converter
Convert CSV data to JSON format. Perfect for APIs, databases, and JavaScript applications. Already have JSON? Use our JSON formatter to beautify it.
Rows: 0
Columns: 0
Conversion Options:
Perfect for JavaScript, Node.js, React, Vue, and Angular projects • No coding required
Output Format Examples:
Array of Objects
[
{
"name": "John",
"age": 30
},
{
"name": "Jane",
"age": 25
}
]
Object with Arrays
{
"name": ["John", "Jane"],
"age": [30, 25]
}
2D Array
[ ["name", "age"], ["John", 30], ["Jane", 25] ]
🚀 For JavaScript Developers
Converting CSV to JSON for your JavaScript projects? Our tool generates JSON that's ready to use in your code immediately.
Common JavaScript Use Cases:
- Data Science Projects: Convert datasets for analysis with D3.js or Chart.js
- API Development: Transform CSV exports into JSON for REST APIs
- React/Vue Apps: Import data for dynamic components
- Node.js Scripts: Process CSV files without additional libraries
How to Use the Converted JSON in JavaScript:
// After converting your CSV to JSON with our tool:
const data = [
{
"Name": "temp1_1",
"Class": "A",
"region count": "1",
"Polygon coordinates": "[[886,125,451,614], [331,147,246,321,400]]",
"polygon Color": "#808000"
},
// ... more objects
];
// Use in your JavaScript project:
// 1. Filter data
const classAData = data.filter(item => item.Class === 'A');
// 2. Map to specific format
const coordinates = data.map(item => ({
name: item.Name,
coords: JSON.parse(item["Polygon coordinates"])
}));
// 3. Use with Chart.js
const chartData = data.map(item => ({
label: item.Name,
value: parseInt(item["region count"])
}));
// 4. Send to API
fetch('/api/data', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(data)
});CSV to JSON Conversion Example:
Input CSV:
Name,Age,City
John,30,New York
Jane,25,San Francisco
Bob,35,Chicago
John,30,New York
Jane,25,San Francisco
Bob,35,Chicago
Output JSON:
[
{
"Name": "John",
"Age": "30",
"City": "New York"
},
{
"Name": "Jane",
"Age": "25",
"City": "San Francisco"
}
]
{
"Name": "John",
"Age": "30",
"City": "New York"
},
{
"Name": "Jane",
"Age": "25",
"City": "San Francisco"
}
]
✅ Why Use Our Tool vs Coding It Yourself?
- Instant Results: No need to install papaparse or write parsing logic
- Handle Edge Cases: Quotes, commas, and special characters handled automatically
- Multiple Formats: Choose array of objects, columns, or custom structure
- Preview & Validate: See your JSON before using it in code
- No Dependencies: Copy and paste directly into your JavaScript project
Pro Tip: After converting, use JSON.parse() if you need to parse stringified arrays or objects within your data fields (like the polygon coordinates in the example above).
💡 Pro Tips
- Excel/Google Sheets data works perfectly - just copy and paste!
- Use "Array of Objects" for most APIs and databases
- Enable "Parse numbers" to convert numeric strings automatically
- The tool handles quoted values and escaped characters