Developer Tools

Text Similarity Checker

Compare two texts for lexical similarity using cosine similarity. Fast, in-browser, no API key.

Uses term-frequency cosine similarity, not neural embeddings. Shared vocabulary creates a high score; semantic matches need an embedding model.

guide

Text Similarity Explained: Cosine Similarity, Lexical Matching, and Embeddings

Learn how term-frequency cosine similarity works, when to use lexical vs semantic similarity, and how to compare documents without an API.

โ†’
More free toolsSee all 162 โ†’
Merge PDFsCompress ImageJSON FormatterPassword GeneratorVAT CalculatorQR Code Generator