Comma Separator Tool
Turn lines into one list joined by a comma and space, or any separator you choose.
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Result
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Comma Separator Tool turns a column of lines into one list joined by a comma and a space, or by any separator you type. It is the small formatting step between a spreadsheet column and a sentence: select a column, paste it, and get a single line ready for an email, a query or a configuration value. Trimming removes stray indentation before joining, and skipping empty lines avoids the double separators that a trailing blank produces. The separator is editable, so a semicolon, a pipe or a newline-adjacent phrase works too. The page states what it does not do: it does not escape a separator that already appears inside a line, and it does not quote values the way a CSV writer would. It is the tool for turning a pasted list into an inline sentence, preparing values for an IN clause, and joining tags or keywords without opening a spreadsheet. The joining is purely textual, so the result inherits whatever quoting or escaping the source lines already had; if a value contains the separator, the output will look like two items to a naive parser. Trimming before joining is usually the right default for a copied column, where indentation is an artefact of the source rather than part of the value. A separator of a comma and a space is conventional in prose but wrong inside a CSV field, where the comma alone is the delimiter; choose according to the destination, not the way the sentence reads. The item count includes empty items only when skipping is off. The output has no trailing separator unless an empty final item is kept.
How to use Comma Separator Tool
- Paste the lines to join.
- Set the separator and choose trimming options.
- Copy the joined line or clear to start over.
What you get
- One line with the items joined by the chosen separator.
- A count of items that were joined.
- Optional trimming and empty-line skipping applied before joining.
When to use Comma Separator Tool
- Turn a pasted column into one comma-separated sentence.
- Prepare values for a SQL IN clause.
- Join tags or keywords into a single line.
Frequently asked questions about Comma Separator Tool
Does it escape commas inside a line?
No. If a line already contains the separator, the output will contain it too; this is not a CSV writer.
Can I use a separator other than a comma?
Yes. The separator field is literal, so a semicolon, pipe or any short string works.
What happens to empty lines?
They are skipped when that option is enabled; otherwise they contribute an empty item and a doubled separator.
Is my text uploaded?
No. Joining runs in your browser; nothing is sent to a server or stored.
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