Is CSV ↔ JSON Converter free to use?

Yes, CSV ↔ JSON Converter is 100% free with zero registration, no subscriptions, and unlimited usage.

Is my data private when using CSV ↔ JSON Converter?

Yes, 100% of data execution happens client-side inside your browser engine. Zero data is transmitted or stored on remote servers.

Does CSV ↔ JSON Converter work offline?

Yes, once loaded, CSV ↔ JSON Converter runs entirely in your browser without requiring server calls.

CSV ↔ JSON Converter

Convert CSV files and tabular data to JSON array objects or back to CSV, featuring custom delimiters (comma, tab, pipe), file upload, interactive table previews, and file export.

Client-Side Engine

devonlinetools://converters/csv-json-converter

100% Client-Side

⌘ + EnterRun / Format⌘ + Shift + CCopy Output

Shortcuts Active

Delimiter:

Upload

CSV Input

JSON Output

[
  {
    "id": "1",
    "name": "Alice",
    "role": "Developer",
    "active": "true",
    "salary": "95000"
  },
  {
    "id": "2",
    "name": "Bob",
    "role": "Designer",
    "active": "false",
    "salary": "82000"
  },
  {
    "id": "3",
    "name": "Charlie",
    "role": "Product",
    "active": "true",
    "salary": "110000"
  }
]

3 rows·5 columns·343 bytes

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Frequently Asked Questions

How does CSV to JSON conversion work?

The first row of the CSV is used as JSON property headers. Subsequent rows are converted into an array of JSON objects where each property maps to its column value.