CC Words - Translate & Vocabulary Builder

About

CC Words — Select, Translate, Learn

Instantly translate any text on any website. Save words to your personal vocabulary and review them with spaced repetition flashcards.

🔤 TEXT SELECTION TRANSLATION
• Select any word or phrase on any website to get instant translation
• Supports all languages with automatic language detection
• Pronunciation audio for both source and target languages
• Detailed dictionary entries with parts of speech, definitions, and usage examples

📚 VOCABULARY BUILDER
• One-click save to your personal word list
• Automatically captures sentence context for better memorization
• Records the source URL so you can revisit where you learned each word

🧠 SPACED REPETITION REVIEW
• SM-2 algorithm schedules reviews at scientifically optimal intervals
• Flashcard-based review system to reinforce memory
• Track your learning progress with status: New → Learning → Mastered

☁️ CLOUD SYNC & ACCOUNT
• Sign in with Google to sync vocabulary across devices
• Access your words on youtube-cc.com for web-based review
• Works offline — all data is stored locally first

🌐 WORKS EVERYWHERE
• Supports all websites, not just YouTube
• Dark mode and light mode auto-detection
• Available in 12 languages: English, 简体中文, 繁體中文, 日本語, 한국어, हिन्दी, Español, Français, العربية, বাংলা, Português, Русский

PRIVACY
• No data collection — your vocabulary stays on your device
• Cloud sync is optional and only activated when you sign in
• Open source: https://github.com/nicepkg/youtube-cc

Part of the CC Plus ecosystem. Use together with the CC Plus extension for interactive YouTube captions, bilingual subtitles, and more.