CSV to JSON Converter
Convert CSV data to JSON, correctly handling quoted fields and commas within values.
How to use CSV to JSON Converter
- Paste CSV data, or upload a .csv file.
- The first row is used as field names by default — turn this off if your data has no header row.
- The converted JSON appears instantly — copy or download it.
About this tool
The CSV to JSON Converter turns CSV data into a JSON array of objects, using the first row as field names. It correctly handles the tricky parts of real-world CSV — commas and line breaks inside quoted fields, and escaped quotes — which a naive split-on-comma approach gets wrong. Paste CSV or upload a .csv file; everything runs in your browser, nothing is uploaded to a server.
Frequently Asked Questions
What happens with commas inside a value?
As long as the value is properly quoted in the CSV (e.g. "Smith, John"), commas inside it are handled correctly and won't be mistaken for column separators — this is the main thing a naive comma-split approach gets wrong.
What if my CSV doesn't have a header row?
Turn off 'First row is header' — fields will be named generically (field1, field2, ...) instead of using your first data row as field names.
Is my data uploaded anywhere?
No — parsing happens entirely in your browser. Nothing is sent to a server.