Is my data uploaded to a server?

No. Parsing and conversion happen entirely in your browser.

CSV to JSON Converter

Turn CSV data into structured JSON.

CSV

First row is a headerInfer numbers & booleans

JSON

[
  {
    "name": "Ava",
    "role": "Designer",
    "active": true
  },
  {
    "name": "Leo",
    "role": "Engineer",
    "active": false
  }
]

About the CSV to JSON Converter

Convert CSV data into structured JSON in your browser. Paste or upload a CSV and get clean JSON with automatic header detection and basic type inference — no upload, your data stays local.

How to use it

1Paste your CSV or upload a .csv file.
2The first row is treated as headers; rows become JSON objects.
3Copy or download the resulting JSON.

Frequently asked questions

Is my data uploaded to a server?: No. Parsing and conversion happen entirely in your browser.

About the CSV to JSON Converter

How to use it

Frequently asked questions

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