Text tools
Convert Lines to Comma Separated List Online
Convert one item per line into a comma separated list with optional 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 you have one value per line and need a comma separated list for a form field, spreadsheet cell, CMS tag field, issue tracker, or internal note.
It keeps the workflow narrow: clean the lines, choose comma spacing, and join the result without uploading the text.
Common cleanup options
List formatting
Join names, tags, IDs, keywords, short values, or copied rows into a single comma separated list.
Clean output
Trim line edges and skip empty rows before the list is joined.
Reverse workflow
Use this with the comma separated list to lines tool when moving between forms, spreadsheets, CMS fields, and notes.
Browser processing
The current version processes pasted text locally in your browser and does not require an account.
How to use it
- Paste a list with one item per line.
- Choose whether to trim line edges and remove blank lines.
- Pick comma spacing for the output format.
- Run the tool, then copy or download the comma separated result.
Privacy and limitations
This tool does not quote values or escape commas inside a value.
Use a spreadsheet or CSV library when the output must follow strict CSV rules for complex data.
Frequently asked questions
Can I choose comma spacing?
Yes. Use comma plus space for readable lists, or comma only for compact values.
Can it ignore blank lines?
Yes. Keep remove empty lines enabled to skip blank rows before joining the list.
Is this a spreadsheet exporter?
No. It is a quick browser tool for pasted lists, not a full CSV or spreadsheet generator.
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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