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Line prefix / suffix tool

Add the same prefix and suffix to every line.

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About this tool

Line prefix / suffix tool is a free online utility from BlueprintLab Tools. Add the same prefix and suffix to every line.

Use it when you need to inspect, compare, clean, or transform CSV and structured data quickly.

No account is required. The tool is designed to complete the task directly in your browser with a short input → process → result flow.

How to use

  1. Enter or choose text.
  2. Enter or choose prefix.
  3. Run the tool and review, copy, or use the result.

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