BuildUtilities

CSV to JSON Converter – Free Online Tool

Convert CSV data to a JSON array of objects with automatic header detection.

✦ FreeNo SignupInstantDataCSV Format GuideData Interchange Formats Guide
Drop a CSV file or click to upload
nameagecity
Alice30NYC
Bob25LA
Charlie35Chicago
Ctrl+ENTERConvert

Example

Input

name,age,city
Alice,30,NYC
Bob,25,LA

Output

[{"name":"Alice","age":"30","city":"NYC"},{"name":"Bob","age":"25","city":"LA"}]

Each CSV row becomes a JSON object using the header row as keys.

How to Use CSV to JSON Converter

  1. 1

    Paste or Upload CSV

    Paste CSV text into the input field or drag-and-drop a .csv file.

  2. 2

    Select Delimiter

    Choose the delimiter used in your CSV (comma is the default).

  3. 3

    Convert & Download

    Click Convert to see the JSON output. Download it as a .json file.

What is CSV to JSON Converter?

The CSV to JSON Converter parses CSV text into a structured JSON array. It supports multiple delimiters, shows a live preview table of parsed data, and handles quoted fields and special characters. Upload files directly or paste content. All processing is done in your browser.

Common Use Cases

  • ✦Importing spreadsheet data into JavaScript applications
  • ✦Converting exported database tables for API consumption
  • ✦Transforming survey data for programmatic analysis

Share

Share a link to this tool. Results can be passed via URL parameters.

https://buildutilities.com/share/csv-to-json

Frequently Asked Questions

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