# Line Comma Formatter Guide

Add commas, quotes, arrays or SQL IN formatting to one-item-per-line lists.

- Tool: https://ilham.dev/tools/line-comma-formatter/
- Guide URL: https://ilham.dev/guides/line-comma-formatter/
- Tool guides index: https://ilham.dev/guides/tools/
- Broader guide: Text Formatting and Cleanup (https://ilham.dev/guides/text-formatting-and-cleanup/)

## What it does

Format one-item-per-line lists without opening an editor. Add trailing commas, turn lines into CSV, quote each item, build a JavaScript array, or make a SQL IN list. Empty-line skipping and trimming are optional.

## Use the tool

Open https://ilham.dev/tools/line-comma-formatter/, add the input the tool asks for, run it, and check the output before using it elsewhere.

## Input and output

- Input: text.
- Output: text.
- Category: Text.

## Privacy and processing
Processing happens locally in your browser. This tool does not upload the input to ilham.dev.

## Questions

### Can it keep blank lines?

Yes. Turn off Skip empty if the blank lines are meaningful. Turn off Trim lines if leading or trailing spaces should be preserved.