Replace duplicate words with a single instance

Remove duplicate words with options for case sensitivity, occurrence thresholds, and short word filtering. Preserve first instances or set maximum repeats. Ideal for text cleanup and editing.

Input

Output

Processing Modes:

Basic Deduplication Remove consecutive duplicate words (case-sensitive)

Case-Insensitive Remove duplicates regardless of capitalization

Threshold Deduplication Remove words repeating more than: times

Preserve First Occurrence Keep first instance and remove subsequent duplicates

Ignore Short Words Skip words shorter than: letters

Examples:

Basic Deduplication

Before:

The quick quick brown fox fox jumps

After:

The quick brown fox jumps

Case-Insensitive

Before:

Apple apple APPLE Banana banana

After:

Apple Banana

Threshold Deduplication

Before:

A A A B B B B C C

After (max 2):

A A B B C C

Preserve First Occurrence

Before:

First Second First Third Second

After:

First Second Third

Ignore Short Words

Before:

I am a a student in in Paris

After (min 3):

I am a student in Paris