> For the complete documentation index, see [llms.txt](https://manual.trancy.org/en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manual.trancy.org/en/get-started.md).

# Get started

- [Use Extension](https://manual.trancy.org/en/get-started/use-extension.md)
- [Bilingual subtitles](https://manual.trancy.org/en/get-started/use-extension/bilingual-subtitles.md): Trancy bilingual subtitles explained: watch with dual-language captions on 8 platforms, plus AI Subtitle 2.0 Whisper transcription for YouTube videos without captions.
- [Theater mode](https://manual.trancy.org/en/get-started/use-extension/bilingual-subtitles/theater-mode.md): Theater Mode turns YouTube, Netflix, and other supported videos into a distraction-free player with bilingual subtitles. Learn how to turn it on and use it.
- [Read mode](https://manual.trancy.org/en/get-started/use-extension/bilingual-subtitles/read-mode.md): Read Mode shrinks the video to one side and shows Trancy's bilingual subtitles as readable text. Learn how to turn it on and use it to study faster.
- [Practice Mode](https://manual.trancy.org/en/get-started/use-extension/bilingual-subtitles/practice-mode.md): Practice Mode turns any video into active listening and speaking exercises — shadowing, Filling (fill-in-the-blank), and more — with AI grammar help and progress tracking.
- [Export subtitle](https://manual.trancy.org/en/get-started/use-extension/bilingual-subtitles/export-subtitle.md): Export bilingual subtitles from any video as a PDF or CSV file. This free Trancy feature lets you save, print, and review subtitles and saved words offline.
- [Keyboard shortcuts](https://manual.trancy.org/en/get-started/use-extension/keyboard-shortcuts.md): Trancy keyboard shortcuts for video learning: start Trancy, auto-pause, loop, switch modes, and adjust subtitles, with Mac and Windows keys side by side.
- [Custom Translation Engine](https://manual.trancy.org/en/get-started/use-extension/custom-translation-engine.md): Trancy's translation engines: free Google and Microsoft, premium AI models like GPT, Claude, Gemini, and DeepSeek, plus bring-your-own-key custom engines.
- [Use Learning Deck](https://manual.trancy.org/en/get-started/use-learning-deck.md)
- [AITalk](https://manual.trancy.org/en/get-started/use-learning-deck/ai-talk.md): AITalk is Trancy's Premium AI speaking partner in the Learning Center: practice real-life dialogue scenarios by voice, with Microsoft speech scoring.
- [How to use ChatGPT to create conversation scenarios](https://manual.trancy.org/en/get-started/use-learning-deck/ai-talk/how-to-use-chatgpt-to-create-conversation-scenarios.md): Learn how to write effective AITalk scene commands in Trancy so ChatGPT generates realistic, useful dialogue scenarios for your speaking practice.
- [Watch Later](https://manual.trancy.org/en/get-started/use-learning-deck/watch-later.md): Save videos to Watch Later in the Trancy Learning Center so you can come back and study them anytime. Learn how to add, organize, and share saved videos.
- [Practice Sentence](https://manual.trancy.org/en/get-started/use-learning-deck/practice-sentence.md): Practice Sentence is Trancy's saved-sentence library in the Learning Center. Save real sentences with context and review them anytime. Free plan saves up to 50 sentences.
- [Practice Words](https://manual.trancy.org/en/get-started/use-learning-deck/practice-words.md): Practice Words is Trancy's vocabulary practice in the Learning Center. Save words with example sentences and review them with free Flashcard Practice. Free plan saves up to 100 words.
- [Account settings](https://manual.trancy.org/en/get-started/use-learning-deck/account-settings.md): Manage your Trancy account settings: set your interface and native languages, choose your learning language, switch themes, and check your subscription and device sync.
- [Download Mobile App](https://manual.trancy.org/en/get-started/download-mobile-app.md): Download the Trancy mobile app on iOS and Android for YouTube bilingual subtitles, AI speaking practice, vocabulary saving, and immersive language learning.