Paste or generate
Start from a paragraph, lesson, article, subtitle, or a topic you want to practice.
Vocabulary from paragraphs
Paste what you read. Learn what matters.
Vokai turns paragraphs, articles, lessons, and your own text into contextual vocabulary practice with AI-generated word lists, forgetful-word review, flashcards, quizzes, and puzzles.
The Vokai loop
From reading to remembering in one focused flow.
Extract vocabulary
Vokai highlights useful words in context and turns them into a clean study list.
Review what slips
Come back to forgetful words with flashcards, quizzes, and puzzle-style repetition.
Inside the app
Move from vocabulary capture to focused review.
The product screens work best as a quiet sequence: first collect useful words, then return to practice them when memory starts to fade.
Context first
Built for learners who already have something worth reading.
Vokai is a companion for the serious moments: exam passages, articles, lesson notes, emails, subtitles, and topics you actually care about.
Turn any paragraph into a study session.
Keep sentence-level context beside new words.
Practice forgotten words before they fade.
Words stay attached to meaning
Study the original sentence beside each word, so review feels connected to what you actually read.
A memory loop for hard words
Forgotten vocabulary gets pulled back into practice instead of disappearing into a long list.
Multiple practice modes
Move between flashcards, quizzes, and puzzles when you want repetition without the routine feeling flat.
Made for real learners
Use Vokai as a companion for English, Japanese, Korean, Chinese, Vietnamese, and more.
Generate from a topic or paste your own paragraph.
Read, listen, review, and rebuild memory from context.
A sharper wedge
Not another giant course. A fast vocabulary accelerator.
The best use of Vokai is simple: keep your main learning habit, then use Vokai to capture the words from the material you already choose.
Best forReading-heavy learners, exam prep, self-study, subtitles, lessons
Core promiseLearn words in context, not isolated lists
Practice stackFlashcards, quizzes, puzzles, and forgetful-word review
Start with the next paragraph you were already going to read.
Download Vokai for iPhone, iPad, or Android and turn everyday reading into repeatable vocabulary practice.