Harken is an intelligent flashcard application designed to enhance memory retention through the scientifically-backed method of spaced repetition. It enables users to create and review flashcards containing rich text, images, and code snippets, facilitating efficient learning across various subjects. As a responsive web app, Harken ensures seamless access on any device, allowing users to study anytime, anywhere. Additionally, it offers a Chrome extension that leverages AI to generate relevant questions from online articles, enabling users to assess and reinforce their understanding as they read. For those transitioning from Anki, Harken provides a straightforward import feature for decks and review histories. The app also includes a statistics page that visualizes review progress, helping users track their learning journey effectively. Key Features: - Spaced Repetition Scheduling: Optimizes review intervals to enhance long-term memory retention. - Rich Content Support: Allows inclusion of text, images, and code in flashcards for diverse learning needs. - Cross-Device Accessibility: Responsive design ensures usability across various devices. - AI-Powered Chrome Extension: Generates questions from online articles to reinforce comprehension. - Anki Integration: Simplifies migration by importing existing decks and review histories. - Progress Visualization: Provides statistical insights into learning progress through detailed charts. Primary Value: Harken addresses the common challenge of information retention by implementing spaced repetition, a proven learning strategy that schedules reviews based on individual familiarity with concepts. This approach ensures that users spend less time reviewing known material and more time on unfamiliar content, leading to faster and more efficient learning. By integrating AI to generate contextual questions from online readings, Harken also enhances comprehension and engagement, making it an invaluable tool for lifelong learners seeking to retain and apply new knowledge effectively.