Convert tabular CSV data into a structured JSON array, making it easy to use in web applications and APIs.

Online CSV to JSON Converter | JSON Jetstream

From CSV to JSON Array

Convert tabular CSV data into a structured JSON array for use in web applications.

Converting data from CSV to JSON is a frequent requirement when importing data from spreadsheets or legacy systems into modern web applications. CSV represents tabular data in a simple, text-based format, which is not directly usable as a structured object in languages like JavaScript. A CSV-to-JSON converter parses the CSV file, using the first row as the headers (or keys) for the JSON objects. It then processes each subsequent row, creating a new JSON object where the header for each column becomes the key and the cell's content becomes the value. The final output is a JSON array containing all of these generated objects. This makes the data easy to manipulate, query, and display in any web application or API.

Parsing CSV with JavaScript MDN Web Docs: JSON Introduction

Frequently Asked Questions

Why convert CSV to JSON?

Converting CSV to JSON is essential for integrating spreadsheet data into web applications, APIs, or databases that primarily use JSON. It transforms flat tabular data into a structured, object-oriented format that is easily consumable by modern programming languages.

How does the converter handle CSV headers?

Typically, the first row of your CSV file is treated as the header row. The values in this row become the keys for the JSON objects, while subsequent rows provide the corresponding values for each key.

What if my CSV has missing values?

If a cell in your CSV is empty, the converter will usually represent that as a `null` value for the corresponding key in the JSON object. This ensures that the structure of each JSON object in the array remains consistent.

CSV to JSON Converter

Paste CSV data or upload a file to convert.

CSV Input

JSON Output

[
  {
    "id": 1,
    "name": "John Doe",
    "email": "john.doe@example.com"
  },
  {
    "id": 2,
    "name": "Jane Smith",
    "email": "jane.smith@example.com"
  },
  {
    "id": 3,
    "name": "Peter Jones",
    "email": "peter.jones@example.com"
  }
]

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