🔗 URL Tools

Convert a List to Comma-Separated Text

Need one comma-separated line for a tool, a formula or a query? Join the whole list with the delimiter of your choice.

  • 100% free, no limits
  • No sign-up
  • Your data never leaves your browser
  • Results in under a second

Free tool Paste your list — the Convert a List to Comma-Separated Text tool does the rest

The example below is already loaded, so you can see exactly what you get. Replace it with your own list and the result updates as you type.

Got a bigger job? The full Notepad runs the same engine on lists of any size — chain this with dedupe, sort and filter, undo any step, and save the whole routine as a recipe for next time.

Example Convert a List to Comma-Separated Text tool: before and after

Before
running shoes
trail shoes
hiking boots
After
running shoes, trail shoes, hiking boots

How it works What the Convert a List to Comma-Separated Text tool does

Collapses an entire list into a single line, with each item separated by a delimiter you choose.

3 steps How to use the Convert a List to Comma-Separated Text tool

  1. Paste your list into the box above — one item per line. Keyword exports, crawl exports and spreadsheet columns all work.
  2. Check the settings and adjust them to your job — the result updates as you type.
  3. Copy the result and paste it wherever it needs to go. Nothing is uploaded, so client and confidential data stay on your machine.

Use it to When to use the Convert a List to Comma-Separated Text tool

  • Build a comma-separated string for a SQL IN() clause
  • Create a single tagged-list string for a bulk upload field
  • Prepare a compact string version of a list for an API call

FAQ Convert a List to Comma-Separated Text tool questions

Is this tool free to use?

Yes. Join Lines into a Delimited String runs entirely in your browser below, with no sign-up, no limits, and nothing sent to a server.

Can I use a delimiter other than a comma?

Yes — the full Notepad tool lets you set any custom delimiter; this mini demo uses a comma.

Pairs well with More URL Tools tools, all free

Stop fixing lists by hand

The Convert a List to Comma-Separated Text tool is one of the free tools inside Seowolf’s Notepad. Paste a list once, then dedupe, filter, sort, compare and format it in seconds — every step undoable, nothing uploaded, no account.

Open the Notepad — it’s free
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