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Quick clipboard slots — paste, save, copy with one click. CopyMaster gives you multiple clipboard slots right in your browser toolbar — so you can store URLs, commands, prompts, API keys and any text you use daily, and copy them with a single click. No more Ctrl+C → switch tab → Ctrl+C again. Everything you need is organized and one click away. What you can do: • Save unlimited slots across multiple colored tabs • Auto-detect content type: URL, command, code, JSON, secret • Mask sensitive data (API keys, passwords, tokens) with reveal toggle • Pin important slots to the top • Set expiry timers for temporary content • Drag and drop to reorder slots • Export and import your data as JSON backup • Everything syncs across your Chrome devices automatically Privacy first: All data is stored locally in your browser. Nothing is sent to external servers. Free. No account. No tracking.
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.