About the Text Line Joiner

This tool joins multiple lines of text into a single string using a custom delimiter — the reverse of splitting a line apart.

A list pasted from a spreadsheet or document usually arrives as one item per line, but plenty of downstream uses — a CSV row, a comma-separated tag list, a single command-line argument — need everything joined together with a specific separator instead. This tool merges every non-empty line using whatever delimiter you choose, instantly turning a column of values into one ready-to-use string.

How to Use This Tool

1

Paste your lines

Enter or paste the multi-line text you want to join.

2

Set a delimiter

Enter the character or string to join lines with (default: space).

3

Click "Join Lines"

All lines are instantly merged into a single string.

4

Copy the result

Use the "Copy" button to save the joined output.

Common Use Cases

  • Building a CSV Row from a List: Join a list of values with commas to create a single CSV-style row.

  • Converting a List into a Sentence: Merge a list of items into a single comma- or space-separated line for prose.

  • Preparing a Command-Line Argument List: Join file names or values with spaces to build a single command string.

  • Combining Pasted Lines for a Query: Merge a list of IDs or values into a single delimited string for a search or SQL query.

Why Use This Tool

Helps with Data Processing

Easily merge structured text back into a single line.

Useful for Programming

Great for formatting data for scripts and queries.

Enhances Readability

Organizes text efficiently into one clean string.

Frequently Asked Questions