HN: Words on Repeat – AI vocabulary extraction and FSRS spaced repetition (wordsonrepeat.com)

A new AI-driven educational tool, "Words on Repeat," has launched, enabling users to effortlessly create vocabulary study decks by pasting URLs, uploading PDFs, or importing YouTube subtitles. The platform employs advanced AI extraction techniques to identify vocabulary, providing translations and example sentences, thus streamlining the process of learning new words. It also incorporates the FSRS spaced repetition algorithm, which customizes review sessions based on individual memory retention, ensuring users study efficiently by focusing on what they need to reinforce at any given time. This innovation is significant for the AI/ML community as it showcases the practical application of natural language processing capabilities in enhancing language learning. With support for 12 languages and all CEFR levels, the tool offers a vast array of functionalities including multiple quiz formats, offline printable tests, and seamless integration across devices. The freemium model allows users to access unlimited decks and essential features, while premium plans offer enhanced AI extractions and analytics. By transforming textual content into personalized learning materials quickly and effectively, Words on Repeat sets a new standard in educational technology, making vocabulary acquisition both interactive and adaptable.