Duplicate Line Remover

WHATSON / DEVELOPER & DATA

Duplicate Line Remover

Keep the first occurrence of each line with optional case and whitespace rules.

PHP processes these inputs on your WordPress server. This plugin does not save them. Use sample data when sharing.

1 Lines
2 Match rules
Developer & Data

Repeated lines can be literal duplicates or differ only in spaces and letter case.

Choose the matching rules that fit the list and review which first occurrences remain.

01 / GET STARTED

How to use Duplicate Line Remover

  1. Paste or enter text lines.
  2. Choose letter case, line edges and blank lines.
  3. Select Process input. Read the returned values alongside the assumptions below before copying, exporting or acting on the result.
02 / A CLEARER WORKFLOW

Why choose this tool?

Keeping the first occurrence gives a predictable basis for cleaning repeated entries.

Before you use the result

If case matters to the identifier, keep case sensitivity enabled and check the retained list.

03 / COMMON QUESTIONS

Questions about Duplicate Line Remover

Can case insensitive matching remove distinct codes?

Yes. If case matters to the identifier, keep case sensitivity enabled and check the retained list.

What should I check before using Duplicate Line Remover?

Check Text lines, Letter case, Line edges and Blank lines. Use the exact units shown beside the controls and replace any example values with your own inputs.

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