Join Lines with Delimiter

Combine multiple lines of text into a single string joined by a chosen delimiter.

How It Works & Processing Standards

Combine multiple lines of text into a single string joined by a chosen delimiter.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 2,000,000 characters

Join Lines with Delimiter is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Join Lines with Delimiter

  1. 1
    Paste LinesEnter list of lines.
  2. 2
    Choose DelimiterEnter separator (e.g. ", " or " | ").
  3. 3
    Copy Joined TextCopy your single merged string.

Common Use Cases

  • Joining email lists into a single comma-separated BCC string
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