Loading
Convert CSV to JSON online instantly. Free CSV to JSON converter for spreadsheets and APIs — private in-browser.
Runs entirely in your browser — files stay on your device.
Quoted fields and custom delimiters supported
| name | role | active | city |
|---|---|---|---|
| Ada Lovelace | Engineer | true | London |
| Grace Hopper | Admiral | true | New York |
| Alan Turing | Mathematician | false | Manchester |
Array of objects · syntax highlighted
[ { "name": "Ada Lovelace", "role": "Engineer", "active": true, "city": "London" }, { "name": "Grace Hopper", "role": "Admiral", "active": true, "city": "New York" }, { "name": "Alan Turing", "role": "Mathematician", "active": false, "city": "Manchester" } ]
Turn CSV spreadsheets into clean JSON arrays/objects for APIs, scripts, and apps. Paste or upload tabular data and convert.
Conversion is local — your datasets stay on your device.