Allows users to control the playback speed of HTML5 videos on web pages (supporting sites like YouTube, Netflix, Bilibili, etc.) and provides bookmark management functionality.

User installs extension -> content script injects into video pages -> user adjusts video playback speed via extension controls -> bookmark feature available via popup for managing bookmarks

Target users: General web users who watch online videos / Users who need to speed up or slow down video playback

Source code is heavily minified/bundled, making it difficult to trace specific feature implementations
The popup title '收藏猫' (Bookmark Cat) suggests the popup may be for a different feature (bookmarks) than the main video speed controller, indicating possible bundling of multiple features
Cannot fully verify if the destination service (pictureknow.com) has paid plans that might affect the extension, but no evidence of such gating in the extension code itself

Monetization

No paid features detected

No evidence of paid features, subscription gating, or payment processing in the extension code. The extension appears to be a free utility. Keywords like 'pro' and 'license' found in static analysis are from bundled library headers (React, jQuery, Axios) and not related to extension monetization.

Confidence: 95
Payment platform: --
Source: AI / Medium
Login required: No
Reason: The extension is a local video speed controller that injects content scripts into all pages. It does not implement any login UI, nor does it redirect to a web app requiring an account. The core workflow of controlling video playback speed works entirely client-side without authentication.

Permission risk

High-risk permissions

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

敏感权限：proxy、management
扩展能力较强：storage
主机权限覆盖范围较宽

Publisher

tomxuxu

Independent publisher

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

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Permissions

Host access