Japanese System

Track your Japanese study and immersion time automatically.

Japanese System is a modern Japanese study and immersion tracker designed to help learners build consistency, visualize progress, and stay motivated over long-term study journeys. The extension automatically tracks your Japanese learning activity across supported websites and immersion platforms, then transforms it into clean analytics, study trends, and consistency insights. ━━━━━━━━━━ FEATURES ━━━━━━━━━━ • Automatic Japanese study tracking Track study and immersion time automatically while using supported websites. • Smart immersion detection Tracks active engagement instead of simply counting open tabs. • YouTube playback-aware tracking Only tracks active Japanese listening while videos are actually playing. • Study analytics dashboard View: * Daily study totals * Weekly trends * Monthly activity * Category breakdowns * Recent sessions * Study streaks • GitHub-style immersion heatmap Visualize your consistency and immersion history over time. • Custom study categories Create your own categories such as: * Immersion * Listening * Reading * Grammar * Vocabulary * SRS Cards * Anime * Visual Novels and more. • Custom tracked websites Assign any website to your own study categories. Examples: * Netflix → Immersion * NHK News → Reading * AnkiWeb → SRS Cards * jpdb.io → Vocabulary • Session correction tools Delete incorrect sessions to maintain trustworthy analytics. • Real-time tracking state The extension icon glows while active Japanese study tracking is running. • Privacy-friendly local-first design Your study data stays locally in your browser. No account required. ━━━━━━━━━━ SUPPORTED SITES ━━━━━━━━━━ Includes support for sites such as: * WaniKani * Bunpro * Migaku * YouTube * and custom user-defined sites. ━━━━━━━━━━ DESIGNED FOR LONG-TERM CONSISTENCY ━━━━━━━━━━ Japanese System focuses on helping learners: * Stay consistent * Build immersion habits * Visualize progress * Maintain study streaks * Understand where their study time actually goes Whether you study with immersion, SRS, grammar, anime, reading, or listening practice, Japanese System helps turn your daily learning into measurable long-term progress.