On a phone you just want to paste a list and get a comma line back, without an app or a fiddly interface.
This online version keeps a large input, simple toggles to trim and remove duplicates, and a copy button that confirms when it worked.
How to use Comma Separator Online
- Paste your list into the large input panel.
- Toggle Trim and Remove duplicates as needed.
- Tap Copy and watch for the confirmation before pasting.
What you can do with it
- Comma-separate a list from your phone in a browser.
- Clean and join keywords for a caption on the go.
- Paste a column and get a shareable comma line.
Good to know
Clipboard access varies by browser and permissions, so the copy button reports success or tells you to select the text manually. Everything runs locally after the page loads.
Frequently asked questions
Does it work on mobile browsers?
Yes. It is built for phones and tablets with a large input and a copy button that confirms the result.
What if copy is blocked?
If the clipboard is unavailable the button says so and you can select the output and copy it by hand.
Does Remove duplicates keep order?
Yes. Duplicates are removed while the first occurrence of each item keeps its original position.