Education & Learning

Convert Chinese characters to Pinyin with tone marks or tone numbers. See character-by-character alignment with color-coded tones, and copy the result.

Interactive Hiragana and Katakana chart with pronunciation audio, example words, and a quiz to master the Japanese kana writing systems.

Watch any Chinese character drawn stroke by stroke, then practice and quiz yourself on the correct stroke order with live feedback.

Interactive Korean Hangul chart with romanization, pronunciation guides, audio, example words, a syllable builder, and a full combination table.

Interactive International Phonetic Alphabet chart with consonants, vowels, diacritics, and tones. Click any symbol for its name and example words.

Browse the most notable world events year by year from 1990 to today, with category filters, cross-year search and a source link to verify every event.

Create printable handwriting practice worksheets for children with print or cursive styles, traced letters, adjustable sizes, and guidelines.

Create flashcard decks and study them with spaced repetition. Add cards, import from CSV, and track your progress — all saved in your browser.

Stay focused with an online Pomodoro timer. Customize work and break intervals, track daily sessions, and build a consistent study streak.

Practice and memorize multiplication tables with timed quizzes, a smart practice mode, and a mastery grid that tracks your progress.

Calculate weighted grade averages, semester GPA on a 4.0 scale, and find out what score you need on your final exam.

Create multiple-choice and true/false quizzes, then play, save, or share them by link with automatic server-side scoring and a ranked leaderboard.