The Gakko - Clip

Capture phrases from YouTube for language learning. Requires Chrome 138+. On-device AI — your captions stay in-browser.

Turn YouTube into your private phrasebook. The Gakko - Clip captures the exact line you're watching on YouTube, translates it with Chrome's built-in AI, and saves it locally for later review. Perfect for language learners who collect phrases as they watch. # What you get - One-press capture — Press `Alt+S` or click the button to save the current caption line - Hover-to-translate — Hover any word on a caption to see its translation instantly - Comment translation — Read YouTube comments in your language without leaving the page - On-device AI — Uses Chrome's built-in Translator (Gemini Nano). Your captions never leave your browser - 18 languages — Supports Spanish, Japanese, Russian, Chinese, Korean, French, German, Portuguese, and more - CSV export — Import your saved phrases into Anki, Notion, or any flashcard app - Word-level segmentation — Japanese, Chinese, and Thai captions are segmented with `Intl.Segmenter` so you can hover individual words # Privacy by design - No account, no cloud sync, no tracking - All captures are stored in your browser's IndexedDB - Translations happen on your device — no data sent to any server - Only the YouTube page DOM is accessed to read caption text # Requirements - Chrome 138+ (Translator API stable) - YouTube watch pages (`youtube.com/watch?v=*`) # How to use 1. Open a YouTube video and turn captions on 2. When a good line appears: press `Alt+S`, click "💾 Save line" near the caption, or open the popup and press "Capture current caption" 3. Hover words in the caption to translate them word-by-word 4. Click "Export CSV" in the popup to download all saved phrases