Merge Lines

Paste multiple lines of text and merge them into a single line with your choice of separator — comma, space, semicolon, pipe, newline, or any custom character.

How to use Merge Lines

1. Paste or type your multi-line text into the input box.
2. Choose your separator from the dropdown — or select Custom to enter your own.
3. Toggle 'Trim whitespace' to clean up extra spaces on each line.
4. Toggle 'Remove empty lines' to skip blank lines.
5. Copy the merged result from the output box.

What is Merge Lines?

FAQ

Can I use a custom separator?

Yes — select 'Custom' from the separator dropdown and type any character or string (up to 20 characters) in the field that appears.

What happens to trailing spaces?

When 'Trim whitespace' is checked, leading and trailing spaces on each line are removed before joining.

Does it handle Windows and Unix line endings?

Yes. Both CRLF (\r\n) and LF (\n) line endings are handled automatically.

Related tools

• Remove Line Breaks
• Sort Lines
• Remove Duplicate Lines
• Add Prefix / Suffix to Lines