GroupJSON
The fastest way to group, filter, and aggregate JSON data online. Perfect for developers, data analysts, and API testing.
No coding required • Works in your browser • 100% free forever
JSON Input
Operations
Results
Ready to Process JSON
Paste your JSON data or try the sample to get started
How to Use GroupJSON
Paste JSON Data
Copy your JSON array from APIs, databases, or files and paste it into the input field. GroupJSON automatically validates your JSON syntax.
Select Operations
Choose which field to group by, or select numeric fields for aggregation operations like sum, average, or count.
View Results
See your grouped or aggregated data instantly. Copy the results or continue exploring with different grouping options.
Try This Sample JSON
[
{ "category": "fruit", "item": "apple", "price": 1.2, "quantity": 50 },
{ "category": "fruit", "item": "banana", "price": 0.8, "quantity": 30 },
{ "category": "vegetable", "item": "carrot", "price": 0.5, "quantity": 100 },
{ "category": "vegetable", "item": "broccoli", "price": 1.5, "quantity": 25 }
]📊 Try Grouping by “category“:
This will separate fruits and vegetables into different groups, making it easy to analyze each category separately.
🧮 Try Aggregating “price“ or “quantity“:
Calculate total prices, average costs, or sum quantities across your entire dataset with one click.
Why Choose GroupJSON for JSON Data Analysis?
Advanced JSON Grouping
Group JSON arrays by any field with support for nested objects and complex data structures. Perfect for analyzing API responses and database exports.
Real-time Aggregation
Calculate sums, averages, and counts instantly. Ideal for financial data analysis, inventory management, and statistical reporting.
No Coding Required
Process complex JSON data without writing a single line of code. Perfect for non-technical users and rapid prototyping.
100% Privacy Safe
All processing happens in your browser. Your JSON data never leaves your device, ensuring complete privacy and security for sensitive information.
Lightning Fast
Process large JSON files instantly with optimized algorithms. No waiting, no server delays - just immediate results.
Always Free
No subscriptions, no usage limits, no hidden fees. Use GroupJSON as much as you need, whenever you need it.
Frequently Asked Questions
What is GroupJSON?
GroupJSON is a free, no-code tool for grouping and aggregating JSON arrays. It’s designed for developers, data analysts, and AI prompt engineers who work with structured data.
Do I need to sign up?
No sign-up is required. Just paste your JSON data and start using the features right away.
What types of operations can I perform?
You can group arrays by field values, and perform basic aggregation such as sum, average, and count on numeric fields.
Is my data stored or uploaded?
No. All processing is done in your browser. Your data never leaves your device.
Can I use it on mobile devices?
Yes, GroupJSON is responsive and works on modern browsers including mobile. For best experience, use a desktop or tablet.
Use Cases
- API debugging: Group JSON responses to analyze repeated object structures or errors.
- Analytics processing: Aggregate exported JSON logs from tools like Firebase, Mixpanel, or Segment.
- No-code transformation: Perform sum, average, or count operations on JSON fields without writing scripts.
- Education & demos: Teach JSON structures or demonstrate grouping logic in technical workshops.
Ready to Analyze Your JSON Data?
Join thousands of developers and analysts who use GroupJSON daily for their data processing needs.