Developer Tools
Data File Merger
Merge multiple JSON, CSV, TSV or XML files into one combined dataset, exportable as JSON or CSV.
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About the Data File Merger
The Data File Merger is an online tool from Mytulify. Merge multiple JSON, CSV, TSV or XML files into one combined dataset, exportable as JSON or CSV. It runs entirely in your browser — fast, private, and unlimited on the Free plan. No account or installation needed.
Frequently asked questions
Is the Data File Merger free to use?
Yes. Data File Merger is free on our Free plan — unlimited use, no signup, and no watermark. Browser tools never require payment.
Is my data safe with the Data File Merger?
Absolutely. Data File Merger runs entirely in your browser — your data is never uploaded to any server.
How does the Data File Merger work?
Merge multiple JSON, CSV, TSV or XML files into one combined dataset, exportable as JSON or CSV. Just enter your input and the result is generated instantly on your device.