Text Similarity Checker

Compare two texts and calculate similarity percentage — instantly in your browser.

100% Browser-Based

Files Never Leave Your Device

No Server Uploads

Zero Data Collection

How It Works

Paste or type two texts to compare

Click Compare to calculate similarity

See similarity scores using multiple algorithms

Uses Levenshtein distance and cosine similarity

Get an easy-to-understand similarity percentage

Shows common words and unique words in each text

What algorithms are used?

Levenshtein distance for character-level similarity and cosine similarity for word-level comparison.

Is this a plagiarism checker?

It compares two texts you provide directly. It does not search the web for matches.

Does it handle different languages?

Yes, it works with any text in any language or script.