Does CSV to JSON converter infer data types?

Yes. Numbers remain numbers, true/false values become JSON booleans, and empty cells become null. String values are preserved as strings.

Does it handle commas inside quoted CSV fields?

Yes. Quoted fields (e.g. "Smith, John") are treated as a single value, and the comma inside is not treated as a delimiter.

CSV to JSON Converter

Convert CSV files to a JSON array of objects with AI — free, instant, no login required.

Spreadsheets, database exports, and data pipelines often produce CSV. Convert CSV to JSON so you can load it in JavaScript, feed it to an API, or use it in your app. Header row becomes keys, every row becomes an object.

Paste your code, then click Convert

JSON

How to use this tool?

This online converter harnesses AI to convert CSV data to a JSON array of objects. Follow these steps:

Type or paste your CSV data (with header row) into the input box provided.
Click the "Convert" button to map each row to a JSON object.
View the JSON array output in the output box, ready to copy and use.

Example: Simple Function

CSV

name,age,active
Alice,30,true
Bob,25,false

JSON

[
  { "name": "Alice", "age": 30, "active": true },
  { "name": "Bob", "age": 25, "active": false }
]

How to Convert CSV to JSON

CSV files are the most common data export format — spreadsheets, database exports, and analytics tools all produce CSV. Using CSV data in JavaScript APIs, React tables, or Node.js applications requires converting it to JSON arrays first.

The CSV to JSON converter parses CSV files and outputs a JSON array of objects, where each row becomes an object with column headers as keys. Paste any CSV data and get JSON ready for use in your application.

Why Use a CSV to JSON Converter?

→Import spreadsheet data into JavaScript applications as JSON arrays
→Convert database CSV exports to JSON for REST API responses
→Transform analytics exports to JSON for charting libraries
→Process CSV data in Node.js without a CSV parsing library

What the CSV to JSON Converter Handles

Header row to JSON keys

Each row to JSON object

Quoted string values

Numeric type inference

Boolean type detection

Null and empty value handling

Comma, semicolon, tab delimiters

Multiline cell values

Special character escaping

BOM (byte order mark) stripping

Windows and Unix line endings

Large dataset handling

Frequently Asked Questions

Does the converter infer data types?

Yes. Numbers stay as numbers, true/false become booleans, and empty cells become null. Everything else is treated as a string.

What if my CSV has commas inside fields?

Quoted fields are handled correctly. A value like "Smith, John" is treated as a single string and the inner comma is not used as a delimiter.

Does it need a header row?

Yes. The first row is used as the keys for each JSON object. Make sure your CSV has descriptive column headers for clean output.

Can I use this for spreadsheet exports?

Yes. Export your spreadsheet as CSV from Excel, Google Sheets, or Numbers, paste it here, and get a JSON array you can use directly in your app.

Is the tool free?

Yes, completely free with no account required.

How do I convert a CSV file to JSON?

Paste your CSV content (including the header row) into the converter and click Convert. Each row becomes a JSON object with the header names as keys. The output is a JSON array of these objects.

What happens to empty cells in CSV to JSON conversion?

Empty cells are converted to null or empty string depending on context. You can specify the null handling behavior — most converters default to null for empty cells.

Can I convert a CSV with semicolons instead of commas?

Yes. Common CSV variants use semicolons, tabs, or pipes as delimiters. The converter auto-detects the delimiter or lets you specify it.

How do I convert CSV to JSON in JavaScript?

Split on newlines to get rows, split each row on commas for cells, use the first row as keys, and map remaining rows to objects. Or use a library like Papa Parse. The JS2TS converter does this instantly.

What is the output format for CSV to JSON conversion?

The standard output is an array of objects: [{column1: "value1", column2: "value2"}, ...]. Alternative formats include arrays of arrays (without header mapping) or keyed objects (using one column as the key).