About this tool
Use JSON File Merger to complete this focused task without sending your content to a third-party service.
Using JSON File Merger
Paste or enter your content, run the tool, and review the result before using it.
Helpful tips
- Check the labels, units, and input format before running the tool.
- Review the result, then use the copy button where available.
- For important decisions, verify your inputs with an appropriate professional source.
Is my information private?
Yes. This developer tools processes your input in the browser and does not upload it.
Is this tool free?
Yes. You can use it without creating an account.
How to use this tool
- Choose two or more JSON array files.
- Merge them locally.
- Download the combined JSON file.
About JSON File Merger
Combine two or more local JSON array files without uploading their contents.
Does this tool send my data anywhere?
No. Its calculation or transformation happens on your device.