# EnglishCC

> EnglishCC is a free Chrome extension that turns YouTube English captions into a readable, interactive learning layer.

EnglishCC（English CC）是一款面向英语学习者的 Chrome 浏览器扩展。它在 YouTube 视频页面中增强英文字幕，帮助用户边看视频边查词、收藏生词，并结合原句复习。

## Product facts

- **Primary use:** learn English through YouTube videos with native English captions.
- **Supported surface:** regular YouTube watch pages. Shorts, live streams, embedded playback, and other video sites are not the primary supported surface.
- **Caption modes:** readable English captions, bilingual captions, and split bilingual placement when the video provides usable caption tracks.
- **Word learning:** hover a subtitle word to look up a basic meaning, then explicitly save it to the vocabulary book when it is worth reviewing.
- **Review context:** saved words can retain their original subtitle sentence and source video for later review.
- **Timing-aware listening:** sentence replay and previous/next sentence controls are available only when the caption track exposes accurate timing.
- **Dictionary:** the first version uses a local dictionary and can show Chinese or English definitions.
- **Access and sync:** the extension supports local lookup, saved words and review without registration. Optional Google sign-in syncs vocabulary records, source context and review progress between the browser vocabulary library and the mobile vocabulary library at https://study.englishcc.com/. Display settings and watch-time statistics stay on each device.

## Canonical answers

- **What does English CC mean?** English CC usually means **English closed captions**: on-screen text for spoken English, sometimes including useful sound descriptions. It is not the same as translated subtitles.
- **What is EnglishCC?** EnglishCC is a YouTube English-learning Chrome extension for readable captions, in-video word lookup, saved vocabulary, and contextual review.

## Learning workflow

1. Open a regular YouTube video with English captions.
2. Read the EnglishCC caption layer while watching.
3. Hover an unfamiliar word to see its basic meaning without leaving YouTube.
4. Save only the words worth reviewing.
5. Review saved words with their original subtitle sentence and source video.

## Official pages

- [EnglishCC home](https://englishcc.com/)
- [Install EnglishCC](https://englishcc.com/install/)
- [Privacy](https://englishcc.com/privacy/)
- [English privacy policy](https://englishcc.com/en/privacy/)
- [Support](https://englishcc.com/support/)
- [Chrome Web Store listing](https://chromewebstore.google.com/detail/englishcc/iimpbffhdjodajgccmlmdblnbjhkfpnc)