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Join & Split Lines Tool

Merge multiple lines into a single line, or split text into multiple lines with a custom delimiter — ideal for card format conversion.

How to use

Steps

  1. Enter the delimiter used to join or split in "Delimiter" (comma by default; change it to a pipe, space, and so on).
  2. Paste the text to process into "Original text".
  3. Click "Join lines" to connect multiple lines into one with the delimiter, or "Split by delimiter" to split the text into multiple lines.
  4. The result appears on the right — copy it or export as TXT.

FAQ

Q: What joins the lines together after merging?

A: The delimiter you entered, such as a comma, pipe, or space — it is fully customizable.

Q: Does the delimiter support non-ASCII or special characters?

A: It supports any character, including English, Chinese, punctuation, and spaces.

Q: What happens when the text has no delimiter while splitting?

A: That block of text stays as a single line; nothing is lost.