List to Comma Separated
Paste a list (one item per line) and convert it into a single string with your chosen separator
TEXT LIST
Tip: changes apply instantly. Separator supports spaces and symbols.
Runs 100% Locally in Your Browser
This tool processes your data entirely on your device. Nothing is uploaded, stored, or sent to any server.
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Frequently Asked Questions
What does list to comma separated mean?
It joins each line of your list into a single string, separated by a delimiter like a comma, semicolon, or any character you choose.
How to convert a newline list to a comma separated string online?
Paste your list into the input field and the tool instantly joins every line into a single comma-separated string.
Can I use a separator other than a comma?
Yes — you can choose any delimiter such as a semicolon, pipe, tab, or space.
What format should I paste my list in?
One item per line. Blank lines are ignored by default so you don't need to clean your list first.
When to use comma-separated values instead of a list?
CSV format is required when feeding data into spreadsheets, SQL IN clauses, configuration files, or APIs that expect a delimited string.
Does this tool upload my list data anywhere?
No — joining lines into a delimited string runs entirely in your browser; nothing is sent to a remote server.