LingCurve — Immersive Korean

Swap today's target words into Korean as you browse. Forgetting-curve vocabulary learning — 100% local, nothing uploaded.

Turn your everyday reading into a memory field for Korean. As you browse pages in your own language, LingCurve quietly swaps the day's target words into Korean. Seeing them is review; hover when you forget to reveal the meaning, romanization, and pronunciation — the forgetting curve schedules everything for you. Works in 16 languages (English, Simplified/Traditional Chinese, Japanese, Spanish, Portuguese, French, German, Russian, Arabic, Hindi, Indonesian, Malay, Vietnamese, Thai, Filipino) — the interface and word meanings adapt to your language automatically. 📖 Seeing = reviewing — the forgetting curve decides which words appear: due reviews come first, mastered words retire on their own 🖱️ Forgot one? Hover for the meaning and audio; tap "Know it" or take a quick 3-choice quiz and it won't bother you again today 📈 Dashboard: growth curve, activity heatmap, review forecast, TOPIK level progress Get started in 2 minutes: 1. Self-rate your Korean level (complete beginner is fine) 2. A 24-word quick check estimates your vocabulary 3. Pick a daily target (10 / 20 / 30) — browsing IS studying How it works: - The word list is frequency-ranked and TOPIK-aligned; m the edge of your level - SM-2-style spaced repetition (1 / 3 / 7 / 14 / 30 days); a word is "mastered" only after repeated recall - Hovering to check a meaning counts as "didn't remembeevels you up, so no fake progress Privacy: all learning data stays in your browser. No ac uploaded. One-click JSON export/import for backup.