Youku Dual Subtitle

About

Turn any Youku video into an interactive Chinese lesson: two simultaneous subtitles (Chinese + your language). Simplified/Traditional toggle, pinyin with tones. Hover Chinese words for instant dictionary definitions (CC-CEDICT). Keyboard shortcuts for fast navigation and further information. Auto-pause mode. Adjustable position, font size and tone coloring. Local-only settings, no tracking.

🚀 HOW TO USE
1. Install the extension
2. Navigate to any Youku video (https://www.youku.tv/v/v_show/*)
3. Click the extension icon in your Chrome toolbar
4. Configure your language and display settings
5. Hover Chinese subtitles to see dictionary definitions
6. Use the keyboard shortcuts to jump between subtitles

🌟 KEY FEATURES
• Display two subtitle tracks simultaneously on any Youku video
  - Chinese subtitles: choose between Simplified (default) or Traditional Chinese
  - Second language subtitles: English (default), Korean, Spanish, Thai, Vietnamese, etc.
  - Bonus: Activate a third subtitle through the native Youku video player menu
• Hover over any Chinese character or word to see instant definitions
  - Comprehensive CC-CEDICT dictionary with over 100,000 entries

📖 SETTINGS
• Adjustable font size
• Toggle pinyin display on/off with a single click
• FIVE beautiful color schemes for tone visualization:
  - Pleco (default) - industry-standard colors
  - Dummit - distinctive, easy-to-remember tones
  - Sinosplice - modern, aesthetically pleasing palette
  - Hanping - optimized for clarity
  - MDBG - traditional dictionary colors
  - None - no tone coloring
• Automatic pause mode - video pauses on each new subtitle for careful study
• Fully draggable subtitles - position them anywhere on your screen for optimal viewing

⌨️ KEYBOARD SHORTCUTS
• A - Previous subtitle (jump to previous dialogue)
• D - Next subtitle (advance to next dialogue)
• S - Replay current subtitle (review what you just heard)
• P - Toggle automatic pause mode
• Space - Play/Pause video (standard control)

📚 DICTIONARY SHORTCUTS (while hovering over Chinese text):
• Alt+1 - LINE Dictionary lookup
• Alt+2 - Forvo pronunciation audio
• Alt+3 - Dict.cn comprehensive dictionary
• Alt+4 - iCIBA bilingual dictionary
• Alt+5 - MDBG Chinese-English dictionary
• Alt+6 - Reverso context and examples
• Alt+7 - MoeDict (萌典) for traditional characters
• T - Tatoeba example sentences
• G - AllSet Learning grammar patterns
• V - AllSet Learning vocabulary resources

🔒 PRIVACY & SECURITY
✓ All preferences stored locally on your device only
✓ No user tracking or analytics
✓ No personal information required
✓ Works exclusively on Youku video pages
✓ Open source code available for inspection (https://github.com/sangorrin/youku_dual_subtitle)

Full Privacy Policy: https://github.com/sangorrin/youku_dual_subtitle/blob/main/privacy-policy.md

💬 SUPPORT & FEEDBACK
• Report bugs or request features through GitHub issues (https://github.com/sangorrin/youku_dual_subtitle/issues) or the Chrome store support hub.
• Include your browser version and extension version when reporting issues

⚠️ DISCLAIMER

This extension is an independent project and is not affiliated with, endorsed by, or connected to Youku, Alibaba Group, or any related companies. All trademarks belong to their respective owners.

⚖️ LICENSE & ATTRIBUTION
This extension is open source software:
• Licensed under GNU General Public License v2.0 or later (https://github.com/sangorrin/youku_dual_subtitle/blob/main/LICENSE)
• Free to use, modify, and distribute under GPL terms
• Source code available on GitHub (https://github.com/sangorrin/youku_dual_subtitle/)

ATTRIBUTION (see https://github.com/sangorrin/youku_dual_subtitle/blob/main/CREDITS.md)
Dictionary functionality derived from Zhongwen Chinese-English Pop-Up Dictionary by Christian Schiller, which traces its lineage through:
• Rikaikun 0.8 by Erek Speed
• Rikaichan 1.07 by Jonathan Zarate
• RikaiXUL 0.4 by Todd Rudick

CC-CEDICT Dictionary data licensed under Creative Commons Attribution-ShareAlike 4.0 International.
• See https://github.com/sangorrin/youku_dual_subtitle/blob/main/LICENSE-DICTIONARIES

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Copyright (C) 2025-2026 Daniel Sangorrin
Current release: v1.0.2 (2026-01-13) — interactive copy button in the dictionary popup
See the full changelog on GitHub: https://github.com/sangorrin/youku_dual_subtitle/blob/main/CHANGELOG.md