CSV to JSON & JSON to CSV Converter Online – Free, Fast & Easy

Need a reliable tool to convert CSV to JSON or JSON to CSV online? Our free CSV ⇄ JSON Converter lets you instantly switch between two of the most common data formats. It’s perfect for developers, data analysts, and web creators who work with APIs, spreadsheets, or JavaScript data.

✨ Key Features:

• ✅ Convert CSV to structured JSON format
• ✅ Convert JSON arrays to well-formed CSV files
• ✅ Copy converted output with one click
• ✅ Download converted files directly
• ✅ 100% browser-based — no data uploaded
• ✅ Works with tabular data, nested values, arrays

🔍 Use Cases:

• Developers integrating JSON APIs with CSV exports
• Excel users converting tabular data for web use
• Data scientists processing JSON datasets in spreadsheets
• Web developers working on React, Node.js, or RESTful services

Whether you’re working with a client export in .csv format or receiving JSON responses from an API, this tool simplifies your data conversion needs — without installing software or plugins.

🧠 How it Works:

• Paste your CSV (with headers in the first row) → Click “CSV to JSON” → Clean JSON array
• Paste your JSON array of objects → Click “JSON to CSV” → Tabular CSV with quoted values
i>Use copy or download to export the result for use in Excel, scripts, or databases.

✅ Supported Conversions:

• Multi-row CSV to JSON array
• JSON object array to CSV with consistent headers
i>Handles special characters and empty fields
• Preserves numeric and string values