Merge CSV Columns
Combine two or more columns of a CSV into a single new column, using the separator you choose (space, comma, hyphen, or a custom one), and decide whether to keep or remove the original columns. Everything is processed in your browser, with no file ever uploaded to a server.
How it works
- Paste your CSV with a header row into the input panel (or use the built-in example).
- Select the two or more columns you want to merge from the automatically detected list.
- Choose a preset separator or type a custom one, and set the name of the new column.
- Decide whether to keep or remove the original columns in the result.
- Copy the resulting CSV or download it as a .csv file.
Use cases
- Combine first-name and last-name columns into a single full-name column.
- Merge address fields (street, city, zip code) into one full-address column.
- Create a combined identifier from several columns of an exported CSV.
- Simplify a spreadsheet before importing it into a system that expects fewer columns.