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About CSV Merger

Combine multiple CSV files into a single file. Stack rows vertically with smart header handling. Perfect for consolidating exports.

How to Use

  1. 1Upload multiple CSV files
  2. 2Arrange file order
  3. 3Preview combined output
  4. 4Download merged file

Key Features

  • Multiple file upload
  • Header deduplication
  • Column alignment
  • Order control
  • Preview before merge

Common Use Cases

Consolidating monthly reportsCombining data exportsMerging log filesData aggregation

Privacy First

All processing happens directly in your browser. Your files never leave your device and are never uploaded to any server.

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CSV Merger

Combine multiple CSV files vertically (append rows) or horizontally (merge columns)

Drop CSV files here (multiple)

or click to browse

Found a bug? Contact us at support@loopaloo.com

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