Add Prefix to Each Line

Prepend custom characters, bullet points, or tags to the beginning of every line.

How It Works & Processing Standards

Prepend custom characters, bullet points, or tags to the beginning of every line.

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

Add Prefix to Each Line 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 Add Prefix to Each Line

  1. 1
    Paste LinesEnter your list of lines.
  2. 2
    Set PrefixType prefix characters (e.g. "- " or "> ").
  3. 3
    CopyCopy the prefixed list.

Common Use Cases

  • Turning plain lists into markdown bullet lists by adding "- " to every line
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