CSV Input
1
JSON Output
Free CSV to JSON Converter
Transform CSV spreadsheet data into JSON arrays instantly. The first row is used as keys, and each subsequent row becomes a JSON object. Perfect for importing spreadsheet data into APIs and JavaScript applications.
How It Works
Paste CSV data with a header row. The CSV to JSON converter automatically detects column names from the first row and creates a JSON array of objects. Numbers, booleans, and null values are auto-detected.
Supported Features
- Auto-detects numbers, booleans, and null
- Handles quoted strings with commas
- First row used as keys
- Empty values become null
- Clean formatted JSON output
Use Cases
Import Excel/Google Sheets data into APIs, convert spreadsheet exports for JavaScript apps, prepare test fixtures from CSV data, migrate data between systems.