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The science
Your brain forgets new words fast — usually within a day or two. Spaced repetition times each review right before you'd otherwise forget, so the memory gets reinforced instead of fading. Review too early and you waste time; too late and you're relearning from scratch.
What consistent practice looks like
Every word saved and every review completed is written straight to one account, synced across every device. Here's what that adds up to after a few months of showing up daily.
Personal library
Every word the extension captures lands here: word, translation, transcription when one exists, and the page and sentence it came from. Nothing to organize — it becomes a flashcard the moment it's saved.
No words saved yet — install the extension and highlight your first word on any page. It'll show up here immediately.
Official libraries
Prefer a plan instead of picking words up as you browse? Subscribe to a curated library and study it with the exact same spaced-repetition engine as your personal words.
Learning progress & statistics
Every review — from a personal capture or an official library — feeds the same dashboard: what's due, what's mastered, what keeps tripping you up, and how far along each CEFR level actually is.
Progress by CEFR level
Hardest words
Track activity over time, review history, progress per library, and every word that needs another pass — all from one dashboard.
Next steps
The account is ready. This is what actually gets it working for you.
Thirty seconds — then every page you read becomes a source of flashcards.
Highlight anything on any page. It shows up in "My Words" instantly.
Pick a CEFR level or a topic like IT or Business to study on a plan.
Every word, every review, every streak — from day one.