CSV Merge / Split Columns
Local ProcessingCombine several columns into one or split a column by a delimiter.
How It Works & Processing Standards
Combine several columns into one or split a column by a delimiter.
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Current Limits
- Desktop max file size: 50MB
- Mobile max file size: 20MB
Choose merge or split under "Task". Original columns stay and results are appended as new columns, so you can check before deleting anything.
What You Can Do
- Merge
- Joins two columns with a connector (space, -, none…) into a new column.
- Split
- Splits one column by a separator into name_1, name_2… columns.
How to Use CSV Merge / Split Columns
- 1Choose a taskMerge or split.
- 2Set columns and charactersColumns and the connector or separator.
- 3Get the resultCopy the CSV or download Excel.
Examples
Family + given name
Input: 성,이름
김,민수
이,지영 / no connector, new column 성명
Result: 성,이름,성명
김,민수,김민수
이,지영,이지영
Split a full name
Input: 성명,나이
김 민수,30 / by space
Result: 성명,나이,성명_1,성명_2
김 민수,30,김,민수
Common Use Cases
- Combining first and last names into one cell
- Splitting "city district street" addresses into cells
Frequently Asked Questions (FAQ)
Does the original column disappear?
No. Results are added as new columns and the originals remain. Delete them with the CSV column editor if needed.
