Developer Tools / CLIENT-SIDE UTILITY
CSV & JSON Converter
Convert structured data with local file loading, column mapping and downloadable output.
How to use this tool
Paste data or open a local file under 1 MB. For CSV, inspect columns, choose headers and mapped output names, then convert.
Use it for: Prepare spreadsheet rows for an API import.
What to provide & expect
- Who it helps
- Analysts and developers
- Your input
- UTF-8 CSV/JSON text or a local file up to 1 MB. Review detected headers and column mappings.
- Your result
- JSON records or correctly quoted CSV.
- Limits to know
- CSV values remain strings. Spreadsheet formula escaping can prefix dangerous cell values with an apostrophe.
Example
Try name,city followed by a new line containing Ama,Accra.
Sample data only. Your inputs stay in this browser.
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