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Select a word as you read, translate it on your device, and save it with its sentence and source to your own vocabulary list. Langmosis turns reading into vocabulary. Select a word on any page — it's translated on your device and saved with the sentence it came from, the page title, and the link. One gesture, no popup to dismiss. Why install it • Learn from what you actually read, not from flashcard decks. • Keep the context — every word remembers the sentence and page you met it on. • On-device and private — no account, no server, nothing leaves your browser. Uninstalling deletes it. Your words, three places • Side panel — your reading list beside the page; review, edit, and see words saved on the current page. • New tab — a quiet home that brings back words due for review, with a translate box and your frequent sites. • In place — saved words stay underlined on the pages where they appear. Requires Chrome 138+ (built-in on-device Translator API).
Aug 21, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.