Merge JSON Files
Paste two JSON objects below to merge them:
🔽 Merged JSON Output:
Merge JSON Files – The Easiest Way to Combine JSON Data Online
If you're looking for a simple and reliable way to merge JSON files, you're in the right place. This free online tool lets you quickly combine two JSON objects into one unified structure — directly from your browser.
Whether you're working with API responses, config files, or datasets, this tool saves you time and avoids the hassle of manual merging. Just paste, click, and get results. No coding. No downloads. Just fast and accurate JSON merging.
How to Merge JSON Files in Seconds
- Copy and paste your first JSON object into the first box.
- Do the same for your second JSON object.
- Click the “Merge JSON” button.
- Instantly get the combined result in a clean and readable format.
- Copy the output or start again — as many times as you want.
This tool automatically handles duplicate keys: when both JSON files contain the same key, the second file’s value will take priority.
Why Choose This Merge JSON Files Tool?
- 100% Free and Web-Based
- No Sign-up or Installation
- Fast JSON file merging with real-time output
- Safe — all data stays in your browser
- Designed for developers, analysts, and non-tech users alike
Merging JSON files doesn't have to be difficult. With this tool, you can easily combine JSON data for app development, data cleanup, testing, or integration workflows.
Real Use Cases
- Merge JSON config files for web apps or mobile apps
- Combine different API responses for testing
- Join datasets from multiple sources
- Clean up and restructure raw JSON for better readability
Why Choose This Merge JSON Files Tool?
100% Free and Web-Based
No sign-up or installation required.
Safe & Private
All data stays secure inside your browser.
Fast Real-Time Output
Instant merged results for quick work.
For Everyone
Designed for developers, analysts, and non-tech users alike.