Text Line Joiner

Join multiple lines into a single line with a custom separator.

Separator:

Free browser-based tool · Runs 100% on your device · Last updated

What is the Text Line Joiner?

The free Text Line Joiner merges multiple lines into a single line using a separator of your choice. Preset options include Space, Comma, Pipe, and Newline-only, plus a custom separator field for anything else. It is perfect for converting bullet lists into comma-separated values, or turning a column of data into a single-row input.

  • Join a column of names into a comma-separated list for a mail merge.
  • Convert a multiline list of keywords into a single pipe-delimited string for a search query.
  • Merge multiple lines of addresses into a single line for a spreadsheet cell.
  • Convert a vertical list of values into an SQL IN clause list.
  • Concatenate config lines into a single export string.

How to Use the Text Line Joiner

  1. 1 Paste your multiline text into the input area.
  2. 2 Choose a separator preset: Space, Comma, Pipe, or None (direct concatenation).
  3. 3 Or type a custom separator into the "custom separator" field — e.g. | , ; , or AND .
  4. 4 The joined output appears instantly.
  5. 5 Click Copy to grab the result.

Key Features

  • 🔗
    Preset separators
    One-click presets for space, comma, pipe, and no separator.
  • ✏️
    Custom separator
    Type any string — multi-character separators like " | " or " AND " are supported.
  • Live join
    Output updates instantly as you change the separator or input text.
  • 🔒
    100% local
    Runs entirely in your browser — no data leaves your device.

Example Usage

Example Input
Alice
Bob
Charlie
Dave
Example Output
Alice, Bob, Charlie, Dave  (comma separator)

Frequently Asked Questions about the Text Line Joiner

What is the Text Line Joiner?
The Text Line Joiner is a free online tool that lets you join multiple lines into a single line with a custom separator. It runs entirely in your browser, so there is nothing to install and nothing is uploaded to a server.
Is the Text Line Joiner free?
Yes — the Text Line Joiner is completely free, with no account, subscription, signup, or usage limits.
Is my data uploaded or stored?
No. The Text Line Joiner processes everything locally in your browser. Your input is never uploaded, saved, or shared with any server.
Does the Text Line Joiner work offline?
Yes. Once the page has finished loading, the Text Line Joiner works without an internet connection.
Which browsers does the Text Line Joiner work in?
The Text Line Joiner works in all modern browsers, including Chrome, Firefox, Safari, and Edge — no plugins or extensions needed.
Does the free Text Line Joiner handle Windows-style (CRLF) line endings?
Yes — both CRLF and LF line endings are treated as line separators.
Can I use a multi-character separator?
Yes — type any string into the custom separator field. Spaces are preserved, so " | " will insert a spaced pipe between each line.

Related Free Text Tools