CSV to JSON

Paste a CSV and get back a JSON array. Auto-detects delimiter, handles quoted strings.

Paste, drop a file, or .

Delimiter (blank = auto)

First row is headerEnable

Trim whitespaceEnable

Pretty-print JSONEnable

How to use csv to json

1
Paste CSV
Drop in your CSV data — with or without a header row.
2
Pick options
Auto-detect delimiter or force one; toggle header and trim.
3
Copy JSON
Valid JSON array ready to paste into code or APIs.

Frequently asked questions

Does this handle quoted strings with commas?: Yes. We use PapaParse, which handles RFC 4180 escaping correctly.
What about nested data?: CSV is flat, so JSON output is flat too. Use a post-processing step for nesting.

Related tools

Convert a JSON array to CSV. Headers auto-derived from object keys.

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Convert Excel workbooks to CSV. Drop a .xlsx file, get CSV text back.