What is JSON?
Have you ever made a list of your favorite toys like this?
jsonCopyEdit{
"name": "Teddy Bear",
"color": "Brown",
"age": 3
}
That’s how computers store and share information using JSON, which stands for JavaScript Object Notation. It’s like a super neat way to organize things using key and value pairs (like “name”: “Teddy Bear”). Example
🔍 What is JSON Used For?
JSON is used almost everywhere on the internet! Here’s where:
- 📱 Apps use JSON to save your game scores or settings.
- 🌐 Websites use JSON to show things like your profile or weather info.
- 📦 APIs (tools for apps to talk to each other) use JSON to send and get data.
Basically, JSON is like a magical language that helps computers talk!
📅 When and Who Invented JSON?
JSON was created in 2001 by a smart guy named Douglas Crockford. He worked with a company called State Software. They wanted to make a simple way for computers to understand and share data. And they did it!
🔑 JSON Data Types (aka JSON Attributes)
Here’s what you can put inside JSON:
Type | Example | What It Means |
---|---|---|
String | "color": "blue" | Words or text |
Number | "age": 10 | Numbers (no quotes!) |
Boolean | "isFun": true | True or False values |
Null | "pet": null | Means nothing is there |
Object | "toy": {"name": "car"} | A group of key-value pairs |
Array | "fruits": ["apple"] | A list of items |
🔧 What is a JSON Diff Checker?
A JSON Diff Checker is a tool that helps you find the differences between two JSON files.
For example: if someone added a new toy to your JSON list, you can easily see what changed using the JSON Diff Checker.
✅ How to Use It:
- Visit https://webtooling.net/diffchecker/
- Paste your first JSON on the left
- Paste your second JSON on the right
- Click the Compare button
- See the changes highlighted! 🎨
📸 Image Example
Here’s how it looks when you compare JSON files:

🎯 Final Words
So now you know what JSON is used for – it helps websites, games, and apps talk clearly. And if something changes, you can check it using the JSON Diff Checker tool! 🌟