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Split CSV Column

Expand a delimiter-separated column into numbered fields.

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CSV column splitter online

Expand a delimiter-separated column into numbered fields. Use this when preparing a CSV export for analysis or reconciling tabular records. Quoted commas and line breaks inside fields are parsed as CSV cells.

How to use it

Paste a comma-separated table with unique headers. Review column, literal separator. Choose Run tool and review the result. Copy or download the output when it matches your requirements.

Options and example settings

Option	Choices / value	Example default
Column	Enter a value for column.	name
Literal separator	Enter a value for literal separator.

Worked examples

Use this when preparing a CSV export for analysis or reconciling tabular records. Quoted commas and line breaks inside fields are parsed as CSV cells.

Reproducible sample

Settings: Column: name; Literal separator:

Input:

name,team,amount
Anna,A,10
Ben,B,20
Cara,A,30

With the settings above, the output is:

Output:

name_1,team,amount
Anna,A,10
Ben,B,20
Cara,A,30

The example output has 4 lines. Compare its order, separators and whitespace with the input before copying the result.

Limitations and common mistakes

Results reflect the supplied input and selected options; review the example and output before using it.
CSV headers must be unique and non-empty. Inputs must be rectangular and limited to 50,000 cells. Blank values are not silently treated as zero.

Frequently asked questions

How can I check the result?

Run the fixed worked example with the documented settings, compare its output, then check your own input format and units before copying a result.

Does this require an account?

No. This bundled tool runs in your browser without a conversion account.

How can I divide values in a CSV column online?

Paste a comma-separated table with unique headers. Review column, literal separator. Choose Run tool and review the result. Copy or download the output when it matches your requirements.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.