Lockcard - Vocabulary Builder from YouTube, Articles & AI
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Learn vocabulary from YouTube, articles & PDFs. Save with context, track encounters, and sync to iPhone for review. Lockcard vocabulary builder helps you learn English from real content such as YouTube videos, online articles, PDFs, and web pages. Instead of memorizing word lists, Lockcard helps you learn vocabulary in context. You can save words directly from what you read and watch, always with the original sentence and meaning preserved. This makes it easy to understand how words are actually used in real situations, not just in definitions. With Lockcard vocabulary builder, you can: * Save vocabulary from YouTube, articles, PDFs, and web pages * Capture words with full sentence context * Build a personal vocabulary list automatically * Track your vocabulary across different content * Review words with spaced repetition and lightweight reminders * Sync vocabulary to mobile for continuous learning Lockcard vocabulary builder is designed for multilingual learners who want to build real vocabulary from real input, not isolated word lists. Whether you are learning English for study, work, exams, or daily communication, Lockcard vocabulary builder helps you turn everyday content into long-term vocabulary memory.