WordByWord – Learn Languages: YouTube, PDF & Web Translator + Flashcards

Learn languages from YouTube, PDFs & websites. Translate words, hear pronunciation, save to vocabulary & master with smart trainer.

Learn languages while watching YouTube, reading PDFs, and browsing the web. Translate any word or phrase instantly, hear native pronunciation, and save vocabulary to smart flashcards. Turn your favorite content into language lessons — Word by Word. 🌍 TRANSLATE ANYWHERE • Highlight text on any website, PDF, or YouTube video for instant translation • Choose from multiple translation options or add your own meaning • Context sentences are saved automatically — never lose how the word was used 📺 YOUTUBE LANGUAGE LEARNING • Click any word in subtitles to translate and save • Auto-pause on hover to catch every word • Full subtitle display with seamless video sync • Learn Spanish, French, German, Japanese, Korean from your favorite videos 📄 PDF TRANSLATION • Open any PDF and translate words directly • Perfect for books, research papers, articles, and documents • Works with local files and online PDFs 🎧 PRONUNCIATION & AUDIO • Hear correct pronunciation for every word • Choose male or female voice • Auto-voiceover mode for faster learning ⚡ SMART FEATURES • Double-click mode for instant translation • 50+ languages: Spanish, French, German, Japanese, Korean, Chinese, Portuguese, Italian, Russian, Arabic, and more • Dark & light theme support 🎯 VOCABULARY TRAINER (Not Just Flashcards!) • Smart spaced repetition algorithm • Multiple training modes to master words faster • Organize words into custom collections • Set knowledge status to track your progress • Review on desktop or sync with wordbyword.io for mobile practice ✅ PERFECT FOR • Learning Spanish, French, German, Japanese, Korean, Portuguese, Italian, Chinese • Watching YouTube videos, TED Talks, documentaries in foreign languages • Reading news, articles, and books in your target language • Studying with PDFs — textbooks, research papers, ebooks • Building vocabulary while browsing content you already love 🚀 WHY WORDBYWORD? Unlike basic translators, WordByWord helps you actually LEARN. Every word you save includes: ✓ Multiple translation options ✓ Your custom meaning ✓ Context sentence from where you found it ✓ Native pronunciation ✓ Smart review schedule Install → highlight text → save to vocabulary → master with trainer. Learn the language — Word by Word!