JSON Merger Tool
Combine multiple JSON files into one structured document. Our free JSON merger tool processes everything in your browser, ensuring data privacy and security.
How to Merge JSON Files
- Upload two or more JSON files using the form below
- Select merge method and format options
- Click the "Merge JSON" button to combine your files
- Download your merged JSON document
Drag and drop JSON files here, or
Your files are processed directly in your browser and never uploaded to our servers, ensuring 100% privacy and security.
JSON Merger Features
Our JSON merger tool provides everything you need to process and combine JSON data
Structure Validation
Automatically validate your JSON file formats, ensuring the input JSON is valid and properly formatted.
Multiple Merge Strategies
Choose different merging methods based on your needs, including array concatenation, object merging, and deep recursive merging.
Flexible Output Options
Control the output format, including prettified output and key sorting, to create the optimal structure for your data.
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