Trancy

Bilingual subtitles and AI reading tools that turn everyday video into study material

Beginner
Screenshot of Trancy, Bilingual subtitles and AI reading tools that turn everyday video into study material

What is Trancy?

Trancy is a font generator tool. A browser extension and app that adds bilingual AI subtitles to YouTube, Netflix and course platforms, plus word lookup, grammar analysis and immersive translation for any web page, with a learning center for saving words, sentences and videos.

Trancy is a language learning layer that sits on top of the video and reading people already do. Its core feature is bilingual subtitle support for streaming and course platforms such as YouTube, Netflix, HBO Max, Disney+, TED, edX, Coursera and Udemy, where the original line and a translated line appear together. Two viewing modes exist: a theater layout that keeps the video large, and a reading mode that shrinks the video to one side and renders the subtitles as a scrollable text column. In reading mode, subtitle typography can be adjusted, words and example sentences can be bookmarked, and keyboard shortcuts cover most actions. Beyond video, the extension handles ordinary web pages. Selecting a word or sentence produces an instant translation, and harder constructions can be broken down with AI grammar and sentence structure analysis. Part-of-speech tags mark key words, unknown words are highlighted while browsing, and a full-page immersive mode places original and translated text side by side for comparison. Hovering a paragraph or using a shortcut translates it without leaving the page, and the translation engine is selectable, with Google, DeepL and OpenAI listed as options. The product is aimed at self-directed learners who want input rather than a structured course: people watching foreign language content for listening and speaking practice, and readers working through news sites, technical forums and social platforms. Supporting tools include playback speed control, subtitle font adjustment, external dictionary lookup, text to speech for pronunciation, speech recognition for speaking practice, and a web-based learning center where videos and saved sentences are organized into decks that can be shared. The trade-off is that Trancy is an input and immersion tool, not a curriculum. There are no structured lessons or proficiency tracking described on the homepage, so learners who need sequencing will pair it with a course. It competes with subtitle extensions and dual-subtitle readers, and its distinguishing bets are the AI analysis features and the browser-based learning center rather than the subtitle overlay alone. Setup is straightforward: install the browser extension or download the mobile app, open a supported site, and enable subtitles for the target language.

How do you use Trancy?

  1. 1Install the extension or app
    Pick the browser extension for desktop web viewing or the mobile app for phone use, and add it to your browser or device.
    Trancy — Install the extension or app
  2. 2Open a supported video site
    Go to YouTube, Netflix or a course platform such as Coursera or edX and start a video in the language you are learning.
  3. 3Turn on bilingual subtitles
    Enable the two-line subtitle display, then switch between theater and reading mode depending on whether you want to watch or study the text.
  4. 4Look up and save while watching
    Pause on unfamiliar vocabulary to see AI definitions and grammar breakdowns, then bookmark words and sentences to your library.
  5. 5Translate pages as you read
    Select text on any article or forum thread for instant translation, or use the full-page immersive mode to compare original and translated paragraphs.
  6. 6Organize material in the learning center
    Sign in to the web learning center to group saved videos and sentences into decks for later review or to share with other learners.
    Trancy — Organize material in the learning center

Pros and cons

Pros

  • Bilingual subtitles cover a wide set of streaming and course sites, including YouTube, Netflix, HBO Max, TED, edX and CourseraAI
  • Reading mode turns subtitle text into an adjustable study column with word and sentence bookmarkingAI
  • Page selection translation and full-page immersive mode work on general websites, not just videoAI
  • Several AI assists (grammar breakdown, part-of-speech tagging, unknown-word highlighting) sit alongside basic translationAI
  • The web learning center stores saved videos and real-life sentences for review and sharingAI

Cons

  • No structured curriculum or proficiency path is described; it is an input tool that needs pairing with a courseAI
  • AI grammar analysis and translation lean on third-party engines, so result quality varies by language and engine choiceAI
  • Subtitle accuracy on user-generated content depends on the site's own caption quality despite sentence segmentationAI
  • Feature density means a large shortcut set to learn before the workflow feels fastAI
  • Most value is tied to the browser extension, so offline study is limitedAI

How much does Trancy cost?

Integrations

Works on top of YouTube, Netflix, HBO Max, Disney+, TED, edX, Coursera and Udemy, and supports general websites including news sites, technical forums and Twitter. Translation engines include Google, DeepL and OpenAI.

Features

Bilingual subtitle translation with theater and reading modes, AI word lookup and grammar analysis, NLP sentence segmentation, web page selection and full-page immersive translation, part-of-speech tagging, unknown-word highlighting, selectable translation engines, playback speed and subtitle font controls, external dictionary access, text to speech, speech recognition, and a learning center for saved videos and sentences.

Learn more

Frequently asked questions about Trancy

  • How do you use Trancy?
    The walkthrough on this page covers 6 steps: 1. Install the extension or app 2. Open a supported video site 3. Turn on bilingual subtitles 4. Look up and save while watching 5. Translate pages as you read 6. Organize material in the learning center.
  • What platforms does Trancy support?
    Trancy is available on Browser extension, Web App, iOS, Android, MacOS and Windows.
  • What does Trancy integrate with?
    Works on top of YouTube, Netflix, HBO Max, Disney+, TED, edX, Coursera and Udemy, and supports general websites including news sites, technical forums and Twitter. Translation engines include Google, DeepL and OpenAI.
  • What are the limitations of Trancy?
    No structured curriculum or proficiency path is described; it is an input tool that needs pairing with a course. AI grammar analysis and translation lean on third-party engines, so result quality varies by language and engine choice. Subtitle accuracy on user-generated content depends on the site's own caption quality despite sentence segmentation.

Status

StatusActive
Views0
Outbound clicks0
Added10/21/2026

Platforms

Browser extensionWeb AppiOSAndroidMacOSWindows

Pricing

Freemium