Select AlgorithmChoose how to measure text similarityCosine SimilarityBest for semantic similarityLevenshtein DistanceBest for character-level editsJaccard IndexBest for word overlapShow results from all algorithms
Example Text PairsClick to load and test with sample dataSimilar ArticlesText 1: Artificial intelligence is revolutionizing the technology industry.Text 2: AI is transforming how we approach technology and innovation.Duplicate DetectionText 1: The quick brown fox jumps over the lazy dog.Text 2: The quick brown fox jumps over the lazy dog.Paraphrased ContentText 1: Climate change poses significant challenges to our environment.Text 2: Environmental issues related to global warming are becoming critical.
Pro TipsCosine Similarity: Best for comparing meaning and semantic content, regardless of word orderLevenshtein Distance: Perfect for detecting typos and character-level differencesJaccard Index: Ideal for measuring word overlap and set-based similarity• Use "Show all algorithms" to compare different similarity metrics• All processing happens in your browser - your data never leaves your device