CSV Merger

Merge multiple CSV files into one

Drop your file here or click to upload

Supports CSV, TSV, TXT files up to 100MB

How to Use

  1. Upload multiple CSV files
  2. Drag to reorder if needed
  3. Choose merge method
  4. Download merged CSV

Features

  • Vertical stack (append)
  • Horizontal join by key
  • Handle mismatched columns
  • Drag to reorder files

Use Cases

  • Combine monthly reports
  • Join related datasets
  • Consolidate split files

Related Tools

CSV Splitter

Split large CSV files into smaller parts

CSV Viewer

View CSV files in a spreadsheet-style grid with sorting, filtering, and search