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JSON ↔ CSV Converter
Convert between JSON and CSV formats seamlessly. Perfect for data import/export and format transformation.
No uploads • Client-side only • Your data stays on your device
Upload JSON File or drag and drop
Maximum file size: 50MB
💡 Tips:
- JSON to CSV: Works with arrays of objects (flattens nested objects)
- CSV to JSON: First row is treated as headers
- All conversion happens in your browser - no uploads
- Supports custom delimiters for CSV parsing
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Your Privacy Guaranteed
All processing happens directly in your browser using JavaScript. Your files, passwords, and data never leave your device and are never uploaded to our servers. We cannot see, store, or access anything you process with this tool.
No account required • No tracking • No data collection • Works offline after initial load