Developer Tool
CSV / JSON Converter
Convert CSV to a JSON array or JSON back to CSV. Auto-detects delimiters, handles quoted fields, and previews rows. Everything runs in your browser.
Delimiter:
CSV input
JSON output
Output will appear here
How to use this tool
- 1
Choose a direction
Select CSV → JSON to convert a spreadsheet or export to a JSON array, or JSON → CSV to turn a JSON array of objects into CSV.
- 2
Paste your data
Paste CSV or JSON into the input area. The delimiter is auto-detected, but you can override it manually. Toggle 'Infer types' to automatically convert numbers and booleans.
- 3
Copy the output
Click Copy to grab the converted result. For CSV input, check the row preview below the tool to verify the data parsed correctly.