How to Use
- Paste the text containing lines you want to de-duplicate into the "Input Text" area.
- Choose whether the comparison should be case-sensitive.
- Choose whether to trim leading/trailing whitespace from each line before comparison.
- Click the "Remove Duplicates" button.
- The text with only unique lines (preserving the order of first appearance) will appear below.
- Click "Copy Unique Lines" to copy the result.
Why Remove Duplicate Lines?
- Data Cleaning: Clean up lists, logs, or data sets by removing redundant entries.
- List Uniqueness: Ensure items in a list (e.g., emails, domains) are unique.
- Text Processing: Simplify text by removing repeated lines.