Both JSON and XML are used for storing and transferring structured data, but they're built differently and serve slightly different purposes.
JSON (JavaScript Object Notation) is a lightweight, easy-to-read data format based on JavaScript syntax.
{
"name": "Alex",
"age": 25,
"skills": ["C#", "Python", "JSON"]
}
XML (eXtensible Markup Language) uses custom tags to store data and describe its structure. Itβs more verbose than JSON.
<person>
<name>Alex</name>
<age>25</age>
<skills>
<skill>C#</skill>
<skill>Python</skill>
<skill>JSON</skill>
</skills>
</person>
| Feature | JSON | XML |
|---|---|---|
| Readability | Clean, lightweight | Verbose, tag-heavy |
| Data Format | Key-value pairs | Tagged elements |
| Data Types | String, Number, Boolean, Array, Object | String (all data is text) |
| Parsing Speed | Faster | Slower |
| Schema Support | Optional (JSON Schema) | Yes (XSD, DTD) |
| Use Cases | APIs, web apps, configs | Legacy systems, SOAP APIs |