CSV to JSON Converter
Convert CSV to JSON instantly online. Our free tool helps developers transform CSV data into properly formatted JSON with customizable indentation, type detection, and quoted value support. Perfect for data processing and API integration.
Convert CSV to JSON instantly online. Our free tool helps developers transform CSV data into properly formatted JSON with customizable indentation, type detection, and quoted value support. Perfect for data processing and API integration.
All processing happens in your browser - no data is sent to any server. Format unlimited files with confidence, knowing your code remains private and secure.
CSV Input
Smart Parsing
Automatically detects and converts numbers and boolean values.
Quoted Values
Handles CSV values with commas inside quotes correctly.
File Operations
Upload CSV files and download converted JSON results.
Key Features
Smart Type Detection
Automatically detects and converts numbers and boolean values.
Quoted Values Support
Handles CSV values with commas inside quotes correctly.
Customizable Output
Choose between 2, 4, or 8 spaces for JSON indentation.
File Operations
Upload CSV files and download JSON results with ease.
Examples
Simple CSV Data:
Basic CSV data with automatic type conversion for numbers and booleans.
Input:
name,age,email,active John Doe,30,john@example.com,true Jane Smith,25,jane@example.com,false
Output:
[
{
"name": "John Doe",
"age": 30,
"email": "john@example.com",
"active": true
},
{
"name": "Jane Smith",
"age": 25,
"email": "jane@example.com",
"active": false
}
]CSV with Quoted Values:
CSV with commas inside quoted values, showing proper handling of complex data.
Input:
name,address,notes "Doe, John","123 Main St, Boston",Active user "Smith, Jane","456 Park Ave, NY","Premium, VIP customer"
Output:
[
{
"name": "Doe, John",
"address": "123 Main St, Boston",
"notes": "Active user"
},
{
"name": "Smith, Jane",
"address": "456 Park Ave, NY",
"notes": "Premium, VIP customer"
}
]How to Use
Paste CSV
Copy your CSV data and paste it into the input area, or use the Upload CSV button to load a file.
Choose Options
Select your preferred JSON indentation size and whether to parse numbers and booleans.
Convert
Click the "Convert to JSON" button to instantly transform your CSV into properly formatted JSON.
Save Result
Copy the converted JSON to your clipboard or download it as a file.
Frequently Asked Questions
What is the CSV to JSON converter?
Our CSV to JSON converter is a free online tool that instantly converts CSV (Comma-Separated Values) data into JSON (JavaScript Object Notation) format. It supports complex CSV structures, handles quoted values, and automatically detects data types.
Is my CSV data secure when using the converter?
Yes! All conversion happens directly in your browser. We never store or transmit your CSV data to any server, ensuring 100% privacy and security.
Can I customize the JSON output format?
Yes! You can choose between different indentation sizes (2, 4, or 8 spaces) to match your preferred coding style. You can also enable or disable automatic type detection for numbers and booleans.
What types of CSV can I convert?
Our converter supports standard CSV format including quoted values (for fields containing commas), headers, and various data types. It can handle both simple and complex CSV structures with proper type conversion.
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