Free Online Unique Word Counter Tool

The Unique Word Counter instantly counts how many different words appear in your text, ignoring case differences and punctuation. This tool is perfect for writers, students, researchers, and SEO specialists looking to analyze vocabulary diversity in articles, essays, or reports. It works entirely in your browser — fast, accurate, and completely private — without sending your text to any server.

Example:

Input: The cat chased the dog. The dog barked.
Unique Word Count: 5
(the, cat, chased, dog, barked)