Duplicate Line Remover

Paste your text below and remove duplicate lines. Choose options for case-insensitive comparison, trimming whitespace, and whether to preserve the first occurrence order.

How to Use

  1. Paste or type lines into the input box.
  2. Choose whether comparisons should be case-insensitive and whether to trim whitespace.
  3. Click "Remove Duplicates" to produce the cleaned list in the Output box.
  4. Use Copy or Download to export the cleaned list.