Combine multiple CSV files into one with intelligent header matching and error handling.
Drag & drop CSV files (.csv). Minimum 2 files required. Rearrange by dragging.
Click Merge, then download your combined CSV file instantly.
Drag & drop CSV files
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Merge multiple CSV files seamlessly in one operation.
Automatically aligns columns even if headers are in different order across files.
All processing happens locally in your browser. Files never leave your device.
Validates files and provides clear feedback on any issues before merging.