Trancy

Trancy is a language-learning assistant for bilingual subtitles, webpage translation, and PDF translation across browser and mobile workflows. It helps users study videos, articles, and documents with word lookup, sentence translation, and reading support.

字幕生成 AI翻译器 AI PDF助手语言学习

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Overview

Trancy is a language-learning assistant built around bilingual subtitles, webpage translation, and PDF translation. It combines browser extension features with mobile app support so users can study videos, articles, and documents in one workflow.

The product is aimed at people who want to read and watch foreign-language content with less friction. Its core tools include AI word and sentence translation, subtitle reading mode, immersive translation for web pages, YouTube subtitle transcription, and PDF translation with bilingual comparison.

Features

Bilingual subtitles for video learning

Trancy adds bilingual subtitles to major video platforms and includes a reading mode that turns subtitles into text for easier review and sentence-level study.

Webpage translation and study tools

The extension supports word lookup, sentence translation, grammar analysis, sentence segmentation, pronunciation support, and a vocabulary/bookmarking workflow for saving words and examples.

Immersive webpage translation

Immersive translation lets users compare original and translated text on regular web pages, with options for hover translation, shortcut-based actions, and full-text reading support.

PDF text extraction and translation

The PDF translator extracts PDF text into markdown, supports OCR for scanned documents, and offers bilingual comparison plus AI screenshot Q&A for deeper reading.

Mobile learning workflow

The mobile app syncs YouTube subscriptions, supports shadowing and speaking practice, and provides AI video summaries for quicker review of video content.

Use Cases

Learning from video content
Watch foreign-language videos with bilingual subtitles, then use subtitle reading mode, word lookup, and sentence segmentation to study how sentences are built.
Studying web pages
Read articles and other web pages with immersive translation, hover translation, and full-text comparison so you can stay on the original page while checking meaning.
Working through documents
Translate PDFs by extracting text, comparing bilingual versions, and using screenshot Q&A when a section needs closer interpretation.
Practicing speaking on mobile
Use the mobile app to sync YouTube subscriptions, pick a video, and practice shadowing or speaking with AI-generated bilingual subtitles.
Reviewing and retaining vocabulary
Build a personal vocabulary workflow by bookmarking words, saving example sentences, and reviewing them later in the learning center.

Pros and Cons

Pros

Covers multiple learning surfaces: video, web pages, and PDFs.
Supports bilingual subtitles on widely used platforms such as YouTube, Netflix, TED, Coursera, and Udemy.
Includes study-oriented tools such as word lookup, sentence translation, grammar analysis, bookmarking, and speaking practice.
Offers both browser extension and mobile app workflows.
Provides a free plan, with paid tiers for users who need more capacity or advanced AI features.

Cons

Some features are plan-dependent, including higher limits for AI transcription, PDF translation, and advanced AI engines.
The source does not spell out a full setup flow for each supported browser or mobile platform.

FAQ

What does Trancy do?

Trancy works as a browser extension and companion app for language learning on video sites, web pages, and PDFs. It supports bilingual subtitles, word and sentence translation, immersive webpage translation, and PDF translation features.

Is there a free plan or trial?

The pricing page shows a free plan and paid premium options. Premium adds higher-capacity features such as YouTube AI subtitle transcription, PDF translation limits, vocabulary tools, and access to additional AI translation engines depending on the plan.

Which platforms does Trancy support?

Supported browsers shown on the download page include Chrome, Edge, Firefox, Brave, Arc, and Safari. The mobile page also lists app downloads for iOS Safari, Firefox Android, Edge, and APK.

Can I use Trancy with my YouTube subscriptions?

Yes. The mobile app page says you can sync your YouTube subscriptions to Trancy so you can access your own channels and study videos more easily.

Does Trancy include PDF translation?

Trancy offers a PDF Translator page with text extraction, bilingual comparison, and AI screenshot Q&A, and it works best alongside the browser extension for word translation, vocabulary highlighting, and sentence translation.

Quick Facts

Category: Language learning assistant
Platforms: Browser extension and mobile app
Supported services: YouTube, Netflix, HBO, Disney+, TED, edX, Coursera, Udemy, and more
Pricing: Free plan available; paid premium tiers also listed
Source domain: trancy.org
Primary workflow: Bilingual subtitles, immersive translation, and PDF translation