CSV Converter
Convert CSV to JSON or JSON arrays to CSV in your browser. Handy for spreadsheets, imports, and quick data checks.
Format
CSV
Convert CSV to JSON, or convert a JSON array back to CSV. All processing is local.
Conversion direction
Ctrl+Enter to Convert to JSON
Recent Payloads
Payloads you format will appear here for quick access. Stored locally in your browser.
What this tool does
Turn CSV with headers into a JSON array, or export JSON objects back to CSV for spreadsheets and imports.
Privacy
Conversions run on your device. Paste sensitive exports without uploading them.
Use cases
- Move tabular exports into JSON for APIs or scripts
- Flatten JSON logs into CSV for spreadsheet review
- Prototype data transforms before writing code