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The Tome / Chapter I: The Rite of Data / CSV ↔ JSON

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CSV ↔ JSON

Convert CSV to JSON and back

"The server room is my domain. Mind the blinking lights."

- Grix the Server Goblin

🔗 Related Tools

Format JSON
Process lists

📖 How to Use

Paste CSV data with headers in the first row. The tool converts to an array of objects.

For JSON to CSV, paste an array of objects with consistent keys.

🔧 Supported Features

• Auto-detects delimiters (comma, tab, semicolon)
• Handles quoted fields with commas
• Preserves numeric types
• UTF-8 encoding support

💡 Tips

→ First row must contain headers
→ Wrap fields with commas in quotes
→ Empty cells become null in JSON

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All tools run entirely in your browser. No data leaves your device.

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