DejaVocab - 得记单词

Learn English on YouTube with bilingual subtitles, one-click word & phrase lookup, and an AI sidebar for any webpage.

As of June 2026, DejaVocab - 得记单词 has 1,000 users and a 5.00/5 rating from 5 reviews in the Education category.

Education

Chrome Web Store ↗.crx

Users0%

1.0K

1,000

Rating0%

5.00

5 reviews

Reviews0%

Version

1.4.3

Manifest V3

90-day change · In the last 90 days this extension 3 version updates, changed permissions.

History

4 snapshots

Tracking since Apr 19, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 19, 2026	1.0K	5.00	5	1.3.1
Apr 29, 2026	1.0K	5.00	5	1.3.1
May 6, 2026	1.0K	5.00	5	1.4.0
Jun 5, 2026	1.0K	5.00	5	1.4.2
Now	1.0K	5.00	5	1.4.3

Changelog

May 6, 2026

short_description

Immersive YouTube language learning with subtitles, translations, and on-demand word lookup on any webpage.

Learn English on YouTube with bilingual subtitles, one-click word & phrase lookup, and an AI sidebar for any webpage.

Apr 29, 2026

description

得记单词 —— 不止记忆，更构建你的专属语言神经网络

🌟 核心功能亮点：

🌟 新增：短语提取功能

1️⃣ 超快高质量断句字幕和高质量翻译
▸ YouTube/Bilibili视频实时提取字幕并智能翻译 
▸ 支持自定义API密钥，突破使用限制

2️⃣ 沉浸式视频学习
▸ 支持边看视频边和AI对话
▸ 支持逐句对照/交替显示模式 
▸ 生词自动同步至个人学习数据库 

3️⃣ 智能词汇管理 
▸ Anki导出功能，一键生成学习卡片 
▸ 收藏单词以及同词族高亮，网页记忆曲线背诵
▸ 每个遇到的词都算数，构建个人词汇图谱

4️⃣ 流体交互体验 
▸ 悬浮即译 | 单击播放地道发音 | 双击收藏至智能生词本 
▸ 暗黑/亮色主题自由切换，字体/颜色个性化
▸ 单句自动暂停，循环播放，倍速播放



📚 每当你与语言相遇时，我们都在构建你的第二大脑神经网络。从碎片接触到系统掌握，让每一次点击都成为长效记忆的基石。

DejaVocab — more than memorizing. Build your own language intuition network.

🌟 Key features

1️⃣ Immersive YouTube learning view
▸ A distraction-free fullscreen player replaces YouTube's default UI
▸ Bilingual subtitles (original + your native language) generated on demand
▸ Click any word for an instant dictionary card: definition, part of speech, examples
▸ Click a phrase for a natural-language explanation
▸ Built-in grammar panel breaks down tricky sentences
▸ Edit, copy or save a subtitle line with one click
▸ Re-play any line while you think, without losing your place

2️⃣ AI sidebar on any webpage
▸ Open the side panel from the toolbar on any site
▸ Translate the whole page — or just a selection
▸ Summarize long articles in seconds
▸ Explain a confusing sentence, idiom or jargon in plain English
▸ Rewrite selected text: simpler, more formal, shorter, longer
▸ Screenshot the screen and ask the AI about what's in it
▸ Full chat history so you can revisit older answers
▸ Organize saved items into Collections by topic or source

3️⃣ One vocabulary, across all your devices
▸ Words, phrases and saved sentences sync to your DejaVocab account
▸ Review the same vocabulary in the DejaVocab iOS and Android apps
▸ No more scattered notes in three different places

4️⃣ Intuition Network (Ultra & Lifetime)
▸ Semantic search across every phrase you've ever saved
▸ Find a phrase by the idea, not the exact wording
▸ Rediscover expressions you saved months ago when you need them today
▸ Runs privately on your own library — the model searches only your data

5️⃣ Built for real learners
▸ Works with any YouTube video that has a spoken track
▸ Works on articles, blogs, docs, forums — any webpage
▸ Clean English / Simplified Chinese UI, switchable at any time
▸ Free plan covers core lookup and daily AI usage
▸ Ultra / Lifetime plans unlock higher quotas, Intuition Network and priority support

🔒 Privacy
▸ The extension only runs when you trigger it (lookup, selection, screenshot, side panel)
▸ No page content is sent anywhere without an explicit action
▸ Saved vocabulary and AI chats are tied to your account and visible only to you
▸ We do not sell your data

🚀 Getting started
1. Install DejaVocab
2. Click the toolbar icon and sign in (or create a free account)
3. Open any YouTube video — it switches into the DejaVocab learning view automatically
4. On any other site, select text and open the side panel to translate, summarize, explain or rewrite

Website: https://dejavocab.com
Support: [email protected]

Apr 29, 2026

short_description

Every word counts - Vocab second brain

Immersive YouTube language learning with subtitles, translations, and on-demand word lookup on any webpage.

Apr 29, 2026

host_permissions

*://*.bilibili.com/*, *://*.youtube.com/*

<all_urls>, *://*.youtube.com/*, *://dejavocab.com/*, *://*.dejavocab.com/*, *://localhost/*

Apr 29, 2026

permissions

storage, activeTab, tabs, scripting, sidePanel

storage, activeTab, tabs, scripting, sidePanel, contextMenus

Permissions & access

Permissions: storageactiveTabtabsscriptingsidePanelcontextMenus
Host access: <all_urls>, *://*.youtube.com/*, *://dejavocab.com/*, *://*.dejavocab.com/*, *://localhost/*

Screenshots

About

DejaVocab — more than memorizing. Build your own language intuition network.

🌟 Key features

1️⃣ Immersive YouTube learning view
▸ A distraction-free fullscreen player replaces YouTube's default UI
▸ Bilingual subtitles (original + your native language) generated on demand
▸ Click any word for an instant dictionary card: definition, part of speech, examples
▸ Click a phrase for a natural-language explanation
▸ Built-in grammar panel breaks down tricky sentences
▸ Edit, copy or save a subtitle line with one click
▸ Re-play any line while you think, without losing your place

2️⃣ AI sidebar on any webpage
▸ Open the side panel from the toolbar on any site
▸ Translate the whole page — or just a selection
▸ Summarize long articles in seconds
▸ Explain a confusing sentence, idiom or jargon in plain English
▸ Rewrite selected text: simpler, more formal, shorter, longer
▸ Screenshot the screen and ask the AI about what's in it
▸ Full chat history so you can revisit older answers
▸ Organize saved items into Collections by topic or source

3️⃣ One vocabulary, across all your devices
▸ Words, phrases and saved sentences sync to your DejaVocab account
▸ Review the same vocabulary in the DejaVocab iOS and Android apps
▸ No more scattered notes in three different places

4️⃣ Intuition Network (Ultra & Lifetime)
▸ Semantic search across every phrase you've ever saved
▸ Find a phrase by the idea, not the exact wording
▸ Rediscover expressions you saved months ago when you need them today
▸ Runs privately on your own library — the model searches only your data

5️⃣ Built for real learners
▸ Works with any YouTube video that has a spoken track
▸ Works on articles, blogs, docs, forums — any webpage
▸ Clean English / Simplified Chinese UI, switchable at any time
▸ Free plan covers core lookup and daily AI usage
▸ Ultra / Lifetime plans unlock higher quotas, Intuition Network and priority support

🔒 Privacy
▸ The extension only runs when you trigger it (lookup, selection, screenshot, side panel)
▸ No page content is sent anywhere without an explicit action
▸ Saved vocabulary and AI chats are tied to your account and visible only to you
▸ We do not sell your data

🚀 Getting started
1. Install DejaVocab
2. Click the toolbar icon and sign in (or create a free account)
3. Open any YouTube video — it switches into the DejaVocab learning view automatically
4. On any other site, select text and open the side panel to translate, summarize, explain or rewrite

Website: https://dejavocab.com
Support: [email protected]