Free Online Comma Separator
This free online comma separator turns any list of words or lines into a clean comma-separated list — perfect for keywords, tags, emails and spreadsheets. Need the list in order first? Use Sort Text Alphabetically Online.
About This Tool
The comma separator converts a vertical list — one item per line — into a single comma-separated line. It is the fastest way to prepare keyword lists, email address lists, product tags, spreadsheet data and programming arrays. You can also switch the separator to semicolons, pipes or spaces, sort the items alphabetically, and remove duplicates automatically.
How to Use It
- Paste your list into the box (one item per line, or items separated by spaces).
- Pick your separator: comma, comma + space, semicolon, pipe or space.
- Optionally remove duplicates and sort A–Z.
- Click Copy Result and paste the finished list anywhere.
Common Uses
- SEO — prepare keyword and meta tag lists.
- Marketing — build email and audience lists.
- E-commerce — format product tags and categories.
- Development — turn lines into arrays and CSV-style data.
Frequently Asked Questions
Yes. Choose comma, comma + space, semicolon, pipe or space from the separator dropdown.
Yes, enable 'Remove duplicates' and repeated items are removed automatically before joining.
Yes. If your input has no line breaks, the tool splits it by spaces instead.
The tool runs in your browser, so it easily handles thousands of items instantly.
Paste your list into the box above — one item per line — and the tool joins everything into a comma-separated list instantly. You can change the separator, sort A–Z and remove duplicates before copying the result.