file tools

CSV to JSON Converter

Convert CSV data to JSON format online for free. Transform spreadsheet data into structured JSON with automatic type detection.

Delimiter:

Auto-detect numbers

CSV Input

How It Works

CSV (Comma-Separated Values) is a simple text format for tabular data, while JSON (JavaScript Object Notation) is a structured data format widely used in web APIs and applications. Converting CSV to JSON makes tabular data easy to use in JavaScript, APIs, and NoSQL databases.

Examples

Input	Output
name,age\nJohn,30\nJane,25	[{"name":"John","age":"30"},{"name":"Jane","age":"25"}]
product,price\nLaptop,$999	[{"product":"Laptop","price":"$999"}]

Frequently Asked Questions

Does the converter handle CSV with quotes?▾

Yes, the converter properly handles CSV fields enclosed in double quotes, including fields containing commas, newlines, or escaped quotes within the quoted field.

Can I use a different delimiter?▾

Yes, you can specify a custom delimiter. Common alternatives include semicolons (;), tabs (TSV), and pipes (|).

How are numbers handled in the output?▾

The converter can automatically detect numeric values and output them as JSON numbers instead of strings. This feature can be toggled on or off.