CSV to JSON Converter
Free CSV to JSON converter. Turn spreadsheets and CSV exports into clean JSON arrays instantly, with custom delimiters and quote handling, plus JSON to CSV mode.
How to use CSV to JSON Converter
- 1
Paste your CSV data into the input box.
- 2
Choose the delimiter your file uses (comma, semicolon or tab).
- 3
Switch mode to CSV → JSON and the JSON array appears instantly.
- 4
Copy or download the result — or flip to JSON → CSV to go the other way.
Key features
CSV → JSON and JSON → CSV modes
Custom delimiters: comma, semicolon, tab
Correct handling of quoted values
First row used as object keys
Pretty or compact JSON output
Runs entirely in your browser
CSV to JSON Converter — FAQ
Values wrapped in double quotes are parsed as a single field, so commas inside them do not split the row. This converter follows the RFC 4180 standard.
Select the semicolon delimiter option — a common format for European spreadsheet exports.
Yes, switch to JSON → CSV mode and paste a JSON array of objects. The first object's keys become the header row.
No. Conversion happens locally in your browser, so sensitive spreadsheet data never leaves your device.
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