How to Use CSV to JSON Converter

About this tool

Parse CSV or TSV into JSON with configurable headers and type detection.

How to use CSV to JSON Converter

1. Paste CSV and choose a delimiter or Auto-detect.
2. Set First row is a header and Detect numbers & booleans to match your data.
3. Review JSON and any status message, then Download .json.

Worked example

Paste name,score followed by Ada,10 on a new line with headers enabled to produce a named record.

Can type detection change identifiers?

Yes. A value with leading zeroes may become a number. Disable detection when codes must remain strings.

What if columns are parsed incorrectly?

Select the delimiter explicitly and check quotes, embedded separators and line breaks in the source.

Put this guide into practice

• CSV to JSON Converter — Turn CSV or TSV data into a JSON array of objects.