Category: Text tools
List Joiner
Turn a pasted list into one delimited line with a custom separator
Paste a list, one item per line, and join it into a single line using a custom separator, with an optional prefix and suffix wrapped around every item and optional duplicate removal. Runs entirely in your browser.
3 item(s) joined.
'apple', 'banana', 'cherry'
Everything on this page is processed in your browser. Nothing is uploaded.
What this tool does
Building a SQL IN (...) clause, a JavaScript array literal, or a single comma-separated line for a spreadsheet cell from a pasted list normally means manually adding quotes and commas to every row. This tool wraps each line in the prefix and suffix you choose and joins the result with your separator in one pass, so a list of names becomes 'Alice', 'Bob', 'Charlie' or any other shape you need.
How to use it
- Paste your list, one item per line.
- Set the separator and, if you need quoted or bracketed items, a prefix and suffix.
- Turn on Remove duplicates if the list may repeat items.
Privacy
This tool runs entirely in your browser. Your input is never uploaded, stored or shared — closing the tab removes it.
Frequently asked questions
- Is my list uploaded anywhere?
- No. Joining happens in JavaScript running in the page, so nothing you paste ever leaves your device.
- How is this different from Add Prefix/Suffix?
- Add Prefix/Suffix keeps every item on its own line after wrapping it. This tool joins every item onto a single line with your chosen separator, which is what a SQL IN (...) clause or an array literal needs.
- Can I use a multi-character separator?
- Yes. The separator field accepts any text, such as " | " or "\n\n", not just a single character.