Text
Text Similarity Checker
Paste two passages and instantly see how similar they are. Choose n-gram size, ignore stopwords/punctuation, and highlight overlaps. All processing happens locally in your browser.
Text Similarity Checker
Client-side onlyFast & private
Input
n-gram size
Token filters
Off = case-insensitive
Remove , . ! ? ( ) …
the, a, to, of, …
Tip
Jaccard & Dice use your selected n-gram size. Cosine uses unigram term frequency to catch topical similarity. Levenshtein measures edit distance across whole strings.
Output
Similarity metrics
n=1 • Insensitive • No punct • Stopwords offJaccard (1-gram)50.0%
Dice (1-gram)66.7%
Cosine (unigram)66.7%
Levenshtein (normalized)60.4%
Overlap highlights (normalized view)
Text A
quickbrownfoxjumpslazydog
Text B
quickauburnfoxleapedlazydog
Tokens & Overlap
Tokens (A)6
Tokens (B)6
Unique tokens (A)6
Unique tokens (B)6
Overlap tokens (unigram)4
Overlap n-grams (1)4
Top common tokens
quick×2fox×2lazy×2dog×2
How to Use
- Paste your two texts into Text A and Text B.
- Pick the n-gram size (1=words, 2=phrases of 2 words, etc.) and adjust filters.
- Review the metrics and the highlighted overlaps.
- Copy Stats (JSON) or download a CSV summary for reporting.