Lines to CSV Converter Online
Convert a line list to comma-separated values, or split CSV back to lines.
What is Lines to CSV Converter?
Converts a newline-separated list into comma-separated values (CSV), or splits a comma-separated list back into one item per line. Supports custom delimiters (comma, semicolon, pipe, tab), optional quoting, and whitespace trimming.
Common Use Cases
Converting keyword lists to CSV, formatting SQL IN clause values, creating comma-separated arrays for code, splitting pasted CSV into a readable list, and preparing data for import tools.
How It Works
Lines→CSV: splits on newlines, trims each item, and joins with the chosen delimiter. CSV→Lines: splits on delimiter and joins with newlines.
Frequently Asked Questions
Can I use a delimiter other than comma?
Yes. Choose comma, semicolon, pipe (|), tab, or enter a custom delimiter string.
Should I wrap values in quotes?
Use Wrap in quotes if values contain commas, to produce properly escaped CSV.
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Delete repeated lines and keep only unique entries.
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Add any prefix or suffix to every line in your text at once.
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Pull all email addresses out of any block of text.