Data Tools Platform

Merge CSV Files

Merge multiple CSV files into one.

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What this tool helps you do

This tool merges multiple CSV files into one single CSV file. It is useful when you need to combine exports, reports, or datasets that share the same structure into one unified file.

Common use cases

Combine multiple CSV exports into one report.
Join files from different teams, dates, or sources.
Prepare a unified dataset before analysis or import.
Reduce manual copy-paste work across similar CSV files.

Part of these categories

CSV Tools

Related guide

How to Merge CSV Files

Learn how to merge CSV files into one dataset. Combine multiple CSV files quickly using simple tools and avoid formatting issues.

Read the guide

What this tool does

This tool merges multiple CSV files into one single CSV file. It is useful when you need to combine exports, reports, or datasets that share the same structure into one unified file.

How to use it

  1. Upload the CSV files you want to merge.
  2. Click the "Run tool" button.
  3. Wait for the tool to combine the files into one output.
  4. Download the merged CSV file.

Example

Input:

file 1
name,age,country
Maca,30,Brasil
Ana,25,Chile

file 2
name,age,country
Jose,28,Peru
Marta,31,Chile

Output:

name,age,country
Maca,30,Brasil
Ana,25,Chile
Jose,28,Peru
Marta,31,Chile

Common use cases

  • Combine multiple CSV exports into one report.
  • Join files from different teams, dates, or sources.
  • Prepare a unified dataset before analysis or import.
  • Reduce manual copy-paste work across similar CSV files.

Important notes

  • This works best when all CSV files follow the same column structure.
  • It is a good idea to validate the merged file after combining it.
  • If headers differ between files, the output may need manual review.

FAQ

Can I merge CSV files with different columns?

This first version works best when the files share the same headers and structure.

Why merge CSV files?

Merging is useful when you want one consolidated file instead of several separate exports.

Should I validate the final file?

Yes. Validation helps confirm the merged structure is still consistent.

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