Text tools
Join Lines With Custom Separator Online
Join one item per line with a custom separator, with trimming and empty-line cleanup.
Privacy note
Your text is processed in your browser. This tool does not store pasted text on a server.
When this tool helps
Use this tool when one item per line needs to become a single line with a custom separator.
It is useful for form fields, CMS inputs, spreadsheet cells, notes, and simple data cleanup tasks.
Common cleanup options
Custom joining
Join names, tags, IDs, keywords, labels, or copied rows with the separator your destination field needs.
Clean output
Trim line edges and remove blank rows before joining the final text.
Reverse workflow
Use this with split text by delimiter to move between line-by-line lists and delimited text.
Browser processing
The current version runs in your browser and does not require an account.
How to use it
- Paste a list with one item per line.
- Enter the separator you want between items.
- Choose trimming and empty-line cleanup.
- Run the tool, then copy or download the joined output.
Privacy and limitations
This tool creates plain text, not a strict CSV export with quoted values.
Use a dedicated CSV tool when separators can appear inside values.
Frequently asked questions
Can I use any separator?
Yes. Enter a separator such as comma plus space, pipe, semicolon, slash, or custom text.
Can it skip blank lines?
Yes. Keep remove empty lines enabled to skip blank rows before joining.
Is my list uploaded?
No. The current tool processes pasted text in your browser.
Last updated: May 7, 2026
How this page is maintained
This tool page is reviewed for practical accuracy, clear limitations, browser-based processing behavior, and links to related cleanup tasks. For site background and policies, see About, Privacy, and Contact.
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