JSON： JSON 指的是JavaScript Object Notation 。它是一种独立于语言、人类可读的语言，因其简单性而被广泛用于基于 Web 的应用程序中。 JSON 扩展名以 .json 结尾。 JSON 是 XML 的用户友好替代品，因为它轻量级且易于阅读。它支持数组和对象等数据结构以及在服务器上快速执行的 JSON 文档。
CSV： CSV 是指逗号分隔值。它将纯文本保存为以逗号 (, ) 分隔的一系列行(行)中的一系列值(单元格)。 CSV 文件实际上可以在文本编辑器中打开并阅读。有很多用于读取 CSV 文件的应用程序，并且许多语言都提供了简化读取/写入 CSV 格式的内置功能。这些文件主要由专业人士用于数据分析或可视化。
下面是 JSON 和 CSV 之间的差异表：
| SR.NO | JSON | CSV |
|---|---|---|
| 1. | JSON stands for JavaScript Object Notation. | CSV stands for Comma separated value. |
| 2. | It is used as the syntax for storing and exchanging the data. | It is a plain text format with a series of values separated by commas. |
| 3. | JSON file saved with extension as .json. | CSV file saved with extension as .csv. |
| 4. | It is more versatile. | It is less versatile. |
| 5. | It is used for for key, value store and supports arrays, objects as values. | It is a standard of saving tabular information into a delimited text file. |
| 6. | It mainly uses the JavaScript data types. | It does not have any data types. |
| 7. | It is less secured. | It is more secured. |
| 8. | It consumes more memory as compared to CSV. | It consumes less memory. |
| 9. | It support a lot of scalability in terms of adding and editing the content. | It does not support a lot in terms of scalability. |
| 10. | It is less compact as compared to CSV file . | It is more compact than other file formats. |