File & Data Converters

CSV to JSON Converter

Convert CSV spreadsheets and tabular data into clean, structured JSON object arrays with auto-type detection.

[
  {
    "id": 1,
    "name": "Alice",
    "role": "Engineer",
    "active": true
  },
  {
    "id": 2,
    "name": "Bob",
    "role": "Architect",
    "active": false
  },
  {
    "id": 3,
    "name": "Charlie",
    "role": "Designer",
    "active": true
  }
]

100% In-Browser Privacy: This tool operates directly in your browser. None of your input text, documents, calculation values, or images are ever transmitted to or stored on our servers.

How to Use the CSV to JSON Converter

Paste your CSV text or upload a .csv file.

Configure options: First row is header, auto-detect data types (numbers, booleans).

View parsed JSON and copy or download as .json file.

Worked Example & Demonstration

CSV to JSON Array

Sample Input

id,title,active
1,"Tool Counter",true
2,"Image Tool",false

Resulting Output

[
  {
    "id": 1,
    "title": "Tool Counter",
    "active": true
  },
  {
    "id": 2,
    "title": "Image Tool",
    "active": false
  }
]

Technical Method & Underlying Formula

RFC 4180 CSV parser handling quoted multiline cells and comma/semicolon/tab delimiter auto-detection.

Operational Boundaries: Runs locally in browser memory without sending spreadsheet data to any server.

Frequently Asked Questions

Does this handle CSVs created in Microsoft Excel?

Yes. It automatically detects comma and semicolon delimiters commonly used across international Excel locales.

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