CSV to JSON
ConvertersToolio CSV to JSON maps header columns to object keys in the browser. Paste a table, convert, and copy JSON for fixtures. Spreadsheet dumps are not uploaded.
104k uses · Runs locally
How to use
- 1Paste CSV with a header row.
- 2Convert rows to JSON objects.
- 3Pretty-print with JSON Formatter if needed.
- 4Copy the array into a mock or script.
Benefits
- Bridge sheets and JSON APIs without a desktop ETL.
- Tables stay on this device.
- Round-trip with JSON to CSV.
Frequently asked questions
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