Text & Writing Tools

Convert Line Breaks Online

Use this free online line break converter to replace line breaks in text with a custom separator. You can also trim whitespace from each line before joining the text.

0 Characters

Conversion Options

Text processing is performed client-side in the browser according to the available code. No fetch or API call was found in the scanned processing logic.

Why use this tool?

Why use this tool?

Line breaks separate text into individual lines. Converting them into a chosen separator can help prepare text for messages, content editing, data preparation, and other text workflows. The result depends on your replacement setting and whether trimming is enabled.

How to use it

How to use it

  1. Step 1

    Enter your text

    Paste or type the multiline text into the input field.
  2. Step 2

    Choose a replacement

    Set the replacement value to the separator or text you want between lines.
  3. Step 3

    Decide whether to trim

    Enable trimItems if you want to remove leading and trailing whitespace from each line.
  4. Step 4

    Review the output

    Check the converted text and confirm that the separator and empty-line behavior meet your needs.
  5. Step 5

    Copy or download

    Use the available Copy or Download control to take the result into your next workflow.

What Does a Line Break Converter Do?

A line break converter changes the separators between lines of text. This tool splits the input at line endings and joins the resulting lines using your selected replacement. For example, you can replace line breaks with a visible delimiter or another text sequence. The tool does not automatically add quotation marks, commas, or other formatting unless you include them in the replacement.

Example: Replace Line Breaks with a Separator

Input text: Apple Banana Orange With the replacement set to a comma and a space, the output becomes: Apple, Banana, Orange This example assumes that the replacement field contains a comma followed by a space and that trimming is disabled. Empty lines are retained as empty items.

How the Conversion Works

The tool recognizes Windows-style CRLF, standalone carriage returns, and newline characters as line endings. It splits the input at these boundaries and joins the resulting items using the replacement value. The replacement setting supports the literal sequence \n, which the processing code converts into an actual newline character.

When Should You Convert Line Breaks?

This tool can help when you need to turn a multiline list into a single line, insert a custom delimiter between lines, or prepare text for another application. The correct replacement depends on the destination format. Always check the result before using it in a spreadsheet, script, database, or publishing workflow.

Features explained

Custom Line Break Replacement

Choose the text or separator that replaces each line ending. The processing code interprets the literal sequence \n in the replacement as a real newline.

Optional Line Trimming

Enable trimItems to remove leading and trailing whitespace from each split line before joining. This uses JavaScript's trim behavior and does not remove whitespace inside a line.

Copy to Clipboard

Use the Copy button to copy the converted output when the clipboard action is available in the interface.

Download Result

Use Download to save the converted text through the interface's file-download feature.

Load Example

Load the tool's example text to see how line break conversion works before processing your own content.

Reset or Clear

Use the available clear or reset control to clear the current work and start again.

What can you use it for?

Convert a Multiline List into One Line

Replace line endings with commas, spaces, or another separator when preparing a list for a text field.

Prepare Text for Content Editing

Change line separators when reorganizing notes, lists, or copied text for a different layout.

Format Text for Data Workflows

Insert a chosen delimiter between lines before moving text into another tool. Verify that the separator matches the destination's requirements.

Clean Up Line Edges

Enable trimming to remove leading and trailing whitespace from individual lines before joining them.

Tool information

ToolConvert Line Breaks
ProcessingClient-side
InputPlain text
Line endings recognizedCRLF, CR, and LF
Replacement optionreplacement
Replacement defaultLiteral \n sequence
Trimming optiontrimItems; default false
OutputText joined with the selected replacement

Benefits

  • Change line separators without manually editing every line.
  • Choose a replacement that suits your text workflow.
  • Optionally trim whitespace from the beginning and end of each line.
  • Copy or download the converted result using the available interface controls.
  • Process text in the browser according to the scanned client-side implementation.

Limitations

  • The tool converts line endings; it does not validate CSV, JSON, HTML, SQL, or other file formats.
  • It does not automatically escape separators or quote individual items.
  • Empty lines remain empty items unless the input or replacement behavior changes their appearance.
  • Trimming removes leading and trailing whitespace from each line only when enabled.
  • No maximum input length or file-size limit was established by the supplied processing code.
  • The scanned code does not establish the exact downloaded filename or file extension.

Privacy and Text Processing

The supplied processing code performs the conversion client-side, and no fetch or API call was found in the scanned files. This indicates that the conversion logic runs in the browser. The scan alone does not establish the behavior of every other part of the application, such as analytics, logging, or download handling.

Tips

  • Use a comma followed by a space when you want a readable comma-separated sentence.
  • Enter \n in the replacement field when you want to replace line endings with actual newline characters.
  • Enable trimming if copied text contains unwanted spaces at the beginning or end of lines.
  • Leave trimming disabled if whitespace at line edges is meaningful.
  • Review empty lines before converting because they are retained as empty items.
  • Check the output before pasting it into another application.

Frequently asked questions

What is a line break converter?

It is a text tool that replaces line endings with a selected separator or text sequence.

How do I convert multiple lines into one line?

Enter your text and set the replacement to a space, comma, or another separator. The tool joins the split lines using that value.

Can I replace line breaks with commas?

Yes. Set the replacement to a comma, or to a comma followed by a space if you want the output to be easier to read.

What does the replacement option do?

It specifies the text inserted between each item after the input is split at line endings. The literal sequence \n is interpreted as an actual newline by the processing code.

What does trimItems do?

When enabled, trimItems removes leading and trailing whitespace from each line before the lines are joined. It does not remove spaces inside the line.

Does the tool recognize Windows and Unix line endings?

The processing code recognizes CRLF, CR, and LF line endings.

What happens to empty lines?

The split operation retains empty items between consecutive line endings and at line boundaries where applicable. They are then joined using the selected replacement.

Can I copy or download the converted text?

The interface includes Copy and Download features for the result.

Is the conversion performed online or in my browser?

The scanned conversion logic runs client-side in the browser. The scan did not find a fetch or API call in that processing logic, but it does not prove that every part of the wider application is free of network activity.

Does the tool support a specific maximum text length?

The supplied processing code does not specify a maximum input length. Practical limits may depend on the browser and the surrounding application.