Online Duplicate Lines Remover

Easily remove duplicate lines from text with this free online tool. Whether you're cleaning up a list or text file, this tool quickly eliminates repeated lines while preserving unique entries. Simply paste your content or upload text file, click a button, and get a deduplicated list instantly.

Duplicate Removal Options
Dedupe Lines Settings Guide

Look from Top: Keeps the first time each line appears and removes any duplicates found below it.

Look from Bottom: Keeps the last time each line appears and removes any duplicates found above it.

Ignore Capitals: Treats lines like "Hello", "HELLO", and "hello" as the same when checking for duplicates.

Ignore Blanks at Line Starts: Ignores any spaces or tabs at the beginning of lines when comparing them.

Example: Removing Duplicate Lines from a List

Input:

Output:

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