6 items
Look up any word in context while you read, and sync it with your Gloss library. Gloss lets you look up any word or phrase without leaving the page you're reading. Select text on any webpage, in a PDF (including PDFs opened directly or ones rendered by an in-page viewer like arXiv's "View PDF"), or double-click a word in a YouTube video's captions, and Gloss shows a clear, context-aware definition right there, built from the exact sentence you selected it from. Save what you learn and it syncs straight into your Gloss library at usegloss.app, ready for spaced-repetition review sessions that actually help words stick. Key features: - Instant lookup: select any word or phrase on a webpage or PDF, or double-click a caption while watching a YouTube video - Context-aware definitions built from the sentence you selected, not a generic dictionary entry - Built-in PDF reader for direct .pdf links, since Chrome doesn't allow extensions to run inside its own built-in viewer - One-click save into your personal Gloss vocabulary library - Daily streak and progress tracking from the toolbar popup - Works across regular webpages, in-page PDF viewers, direct PDF links, and YouTube captions Gloss requires a free account at usegloss.app to save words and track progress. Looking up definitions works without signing in. Only the word or phrase you actively select, plus its surrounding sentence, is ever sent to fetch a definition. Nothing is scraped or tracked in the background.
Aug 3, 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.