Show HN：Subtitle Insights – YouTube 字幕的裝置端 AI 翻譯

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Subtitle InsightsDeep insights and translations for video subtitles

Subtitle data, clarified. Transform your language learning experience with free, local, and privacy-first Chrome Built-in AI.

Subtitle data, clarified.

Subtitle Insights transforms your favorite videos into interactive lessons. Get real-time translations and breakdowns without leaving the player.

Source: Comprehensible Japanese

Why Subtitle Insights?

Bridging the gap between passive watching and active learning on YouTube and Stremio.

Private, Local AI

Data never leaves your browser. All translations and insights are processed on-device using Chrome's built-in AI.

Automated Insights

Beyond word lookups. Gemini Nano analyzes entire sentences to explain complex grammar and cultural nuances.

Smart Controls

Interactive controls appear only when needed. Hover to pause, replay segments instantly, and focus on learning without distractions.

Integrated Experience

Designed to blend perfectly with YouTube and Stremio Web. Feels like a native feature, not an added layer.

Flexible Subtitles

Automatically capture YouTube captions or upload your own .srt files. Use the manual sync tool to align timing perfectly.

100% Free

No subscriptions, no API keys, no hidden costs. Leveraging the power of your own hardware via Chrome.

Interactive Insights Overlay

The overlay provides instant context for every subtitle segment. Enable 'Pause on Hover' to stop the video automatically at the end of a line for deep analysis and shadowing, or move through segments effortlessly using keyboard shortcuts.

Source: Comprehensible Japanese

Stay in Sync with the Smart Sidebar

Navigate the entire video transcript effortlessly. The sidebar stays perfectly synchronized with playback, allowing for quick reference of the current segment within the larger context.

Source: Comprehensible Japanese

Customize for Any Language

Subtitle Insights is designed to be language-agnostic. Easily create new language profiles, configure source/target languages, and customize the system prompt to focus on grammar, vocabulary, or cultural nuances.

Source: French in Motion

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