Column Merger

Combine two or more CSV columns into one with a custom separator. The safest way to process sensitive data with zero-upload,

Your files never leave your device. Processed locally. 100% private.

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How To Use Column Merger

Complete your task perfectly in just three straightforward steps.

1

Upload CSV

Drop your CSV file.

2

Select columns and separator

Choose columns to merge and enter a separator.

3

Download

Download the CSV with the new merged column.

FAQ

Everything you need to know about the Column Merger.