JSON ↔ CSV Converter

Convert JSON to CSV and CSV to JSON. Free online tool with formatting options.

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About JSON and CSV

JSON (JavaScript Object Notation) and CSV (Comma-Separated Values) are two of the most used data formats for information exchange. Each has its advantages and specific use cases.

Differences between JSON and CSV

JSON

  • Supports complex and nested structures
  • Ideal for APIs and web applications
  • Preserves data types (numbers, booleans)

CSV

  • Simple and lightweight tabular format
  • Ideal for spreadsheets and databases
  • Easy to read and edit manually

When to use each format?

  • Use JSON for REST APIs and system communication
  • Use CSV for importing/exporting spreadsheet data
  • Convert JSON to CSV for analysis in Excel or Google Sheets
  • Convert CSV to JSON for use in JavaScript applications

Usage Tips

When converting JSON to CSV, make sure all objects have the same structure. For CSV with special characters or commas in values, use semicolon as delimiter. NDJSON (Newline Delimited JSON) is useful for processing large volumes of data line by line.

Frequently Asked Questions

JSON is better for hierarchical data and APIs. CSV is ideal for tabular data and spreadsheets. The choice depends on the use case.