CSV to JSON Converter
Transform Spreadsheet Data
Convert CSV files to JSON format for seamless data integration
Conversion Settings
Your JSON output will appear here. Paste CSV data and click "Convert CSV to JSON".
How to Convert CSV to JSON
1. Paste Your CSV Data
Copy and paste your CSV data into the input field. The tool works with data from Excel, Google Sheets, or any other spreadsheet application.
2. Configure Settings (Optional)
Choose your CSV delimiter, specify whether your data has headers, select your preferred JSON output format, and customize other conversion options.
3. Convert to JSON
Click the "Convert CSV to JSON" button to transform your spreadsheet data into structured JSON format.
4. Use the Results
View the JSON output in the preview panel. You can copy it to your clipboard or download it as a .json file for use in your applications, APIs, or data processing workflows.
Output Format Options
Array of Objects
[ { "name": "John", "email": "[email protected]", "age": 30 }, { "name": "Jane", "email": "[email protected]", "age": 25 } ]
Best for most use cases. Each row becomes an object with column headers as keys.
Object (Key-Value)
{ "John": { "name": "John", "email": "[email protected]", "age": 30 }, "Jane": { "name": "Jane", "email": "[email protected]", "age": 25 } }
Uses the first column value as object keys. Useful for lookup tables or dictionaries.
Array of Records
[ ["John", "[email protected]", 30], ["Jane", "[email protected]", 25] ]
Simple array structure without object keys. Useful for tabular data without headers.
Frequently Asked Questions
How does the tool handle data types?
Our converter automatically detects and converts numeric values, booleans, and null values to their proper JSON types. Text that looks like numbers is converted to numbers, "true" and "false" become boolean values, and "null" is converted to null.
Can I convert data with quoted fields and commas?
Yes, our tool properly handles CSV data with quoted fields containing commas or other special characters. The parser respects standard CSV escaping rules for properly formatted CSV data.
Is my data secure?
Yes! All conversion happens locally in your browser. Your CSV data and generated JSON never leave your device or get sent to any servers.
How do I use this for API development?
This tool is perfect for converting spreadsheet data into JSON for API development, testing, or mock data generation. Choose the format that matches your API structure, then download or copy the JSON for use in your development environment.
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