langkey ｜Learning foreign languages without any effort

Overview

Easy learning language support for Chinese-English-Korean-Japanese-German- and Arabic with YouTube videos.

Watch Youtube videos and learn languages in one easy way with support for Chinese/English/Korean/Japanese/German/Arabic/German and many more! LangKey is a Chrome extension designed for language learners that utilizes YouTube video subtitles to provide an immersive learning experience. ✅ Real-time Subtitle Typing Practice - While watching a video, subtitles are automatically captured and users can type sentence-by-sentence to practice spelling and listening, and strengthen their memory. ✅ Word Favorites and Translations - Encountered a new word? One click to favorite and translate, review your personal vocabulary at any time. ✅ Sentence-by-sentence playback control - Precisely control the video playback, synchronize the subtitles with the audio, and realize the “listening-reading-writing” three-in-one learning method. ✅ Multi-language support - Suitable for learning English, Japanese, Korean and other languages, with YouTube auto-generated subtitles.

Details

Version
1.0.2
Updated
August 4, 2025
Features
Offers in-app purchases
Flag concern
Size
6.43MiB
Languages
43 languages
Developer
Website
Email
langkeyweb@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

langkey ｜Learning foreign languages without any effort has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.