Provides web search from the address bar (primary purpose stated in store listing); in practice, it hijacks the default search setting to route queries through the developer's search portal for ad revenue monetization

1. User installs extension. 2. Extension changes default search engine to QuickSearchTool (Yahoo-powered). 3. Extension generates a tracking UID and logs install event. 4. Extension opens a promotional new tab page. 5. All subsequent address bar searches are routed through query.quicksearchtool.com with tracking params, returning Yahoo search results. 6. Yahoo search result links opened in new tabs are repositioned into a split-window layout.

Target users: General web users who install from Chrome Web Store (200,000+ users)

The extension is very small (5 files, ~5KB of JS) so the entire source was reviewed. All three decisions have high confidence.
Cannot verify what hp.quicksearchtool.com or query.quicksearchtool.com server-side actually return without live testing.

Monetization

No paid features detected

No payment processing, subscription checks, premium tier logic, or upgrade UI found. The 'pro' keyword matches are false positives: 'provider' (manifest search_provider), 'Promise' (background.js getTracking), and a hash string in verified_contents.json. Monetization is via Yahoo search advertising revenue, not user-facing paid features.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension has no login UI, no authentication flow, and no user account system. The user_id is a randomly generated UUID stored in chrome.storage.sync for tracking purposes (background.js:64), not an account credential. No login providers exist.

Permission risk

Medium-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

扩展能力较强：tabs、storage、cookies

Publisher

quicksearchtool.com

Independent publisher

Email: [email protected]
Phone: --
Address: --

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Permissions

Host access