| Extension |
Saved with the extension .json |
Saved with the extension .csv |
| File size |
Large file size |
Compact file size |
| Security |
Less secure |
More secure |
| Scalability |
Integrates with APIs easily and allows scalability (up and down) |
Difficult to integrate and is not easily scalable |
| Data type |
Uses Javascript data types (primarily) |
Does not use a data type. |
| Hierarchy |
Supports hierarchical and relational data |
Errors when displaying hierarchical data |
| Uses |
Stores and exchanges the syntax of data in arrays, objects, etc. |
Stores tabular data in a delimited text file. |