Convert CSV to JSON
Transform CSV tabular data into JSON format for APIs and modern web applications
How to Convert CSV to JSON
Paste CSV Data
Enter your CSV data with headers in the first row. Supports comma, semicolon, and tab delimiters.
Smart Processing
The converter automatically detects headers and data types, creating properly structured JSON objects.
Use JSON Data
Copy the formatted JSON array or download it for use in your APIs and applications.
Why Convert CSV to JSON?
API Integration
Convert spreadsheet data to JSON for sending to REST APIs and web services.
Web Development
Import CSV data into JavaScript applications and frameworks for dynamic content.
Data Processing
Transform CSV exports into JSON for data analysis and machine learning workflows.
Database Import
Convert CSV files to JSON for importing into NoSQL databases like MongoDB.
CSV to JSON Conversion Example
See how CSV tabular data is transformed into JSON objects
CSV Input
id,name,email,age,active 1,"John Doe","john@example.com",30,true 2,"Jane Smith","jane@example.com",28,false 3,"Bob Johnson","bob@example.com",35,true
JSON Output
[
{
"id": 1,
"name": "John Doe",
"email": "john@example.com",
"age": 30,
"active": true
},
{
"id": 2,
"name": "Jane Smith",
"email": "jane@example.com",
"age": 28,
"active": false
},
{
"id": 3,
"name": "Bob Johnson",
"email": "bob@example.com",
"age": 35,
"active": true
}
]Smart Data Type Detection
How CSV string values are converted to appropriate JSON data types
Numbers
Automatically detected and converted:
"123" → 123, "45.67" → 45.67Booleans
Case-insensitive detection:
"true" → true, "false" → falseNull Values
Empty cells become null:
"" → null, " " → nullStrings
Quoted values and text:
"John Doe" → "John Doe"Frequently Asked Questions
What delimiters are supported?
The converter supports comma (,), semicolon (;), and tab delimiters. It automatically detects the delimiter used.
How are CSV headers handled?
The first row is treated as headers and becomes the JSON object keys. Headers are automatically cleaned and formatted.
Can I convert CSV without headers?
Yes, if no headers are detected, the converter will generate column names like "column1", "column2", etc.
How are quoted values in CSV handled?
Quoted values are properly parsed, and internal quotes are handled according to CSV standards (doubled quotes).
Import Details
Today's Stats
Pro Tips
Headers First: Always include column headers in the first row for best results.
Clean Data: Remove extra spaces and ensure consistent formatting before conversion.
Large Files: For files with thousands of rows, consider processing in smaller chunks.