Fuzzysort is a fast, lightweight fuzzy string matching library for JavaScript. Going beyond simple substring search, it ranks results based on how closely they resemble the search query, even with typos or misplaced characters. It's ideal for autocomplete, quick search, and filtering lists. Fuzzysort prioritizes speed making it performant for large datasets, and its intuitive API allows developers to quickly integrate fuzzy searching capabilities into their applications, enhancing user experience.