CSV Merge Tool
Merge CSV Files
Combine multiple CSV files into one. Free, private, and secure — your files never leave your browser.
Why use this tool?
100% Private
Your files are processed locally in your browser. Nothing is uploaded to any server.
Instant Merging
No waiting for server processing. Merging happens instantly on your device.
Drag to Reorder
Arrange files in any order before merging by dragging them in the list.
CSV or Excel
Download your merged file as CSV or Excel format with one click.
Frequently Asked Questions
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