Users who need to capture high-quality still frames from YouTube videos previously had to use generic screenshot tools that capture the entire screen rather than just the video frame at native resolution. This extension provides a dedicated, optimized workflow for YouTube-specific frame capture.

User navigates to any YouTube video (including embedded). They either press the 'P' key or click the extension popup. The content script captures the current video frame from the HTML5 video element via canvas, then either copies it to clipboard, saves it as a file (JPG/PNG based on user preference), or does both. Settings for format are configured in the popup.

Target users: YouTube viewers who need to capture video frames / Content creators who need still images from YouTube videos / Students and researchers capturing educational content / Anyone who needs high-quality YouTube video screenshots

Source code is heavily minified/webpack-bundled making deep code inspection difficult — all JS files are single-line minified bundles
popup.js is 517KB which is unusually large for a simple screenshot tool, suggesting bundled React or other framework code that cannot be easily inspected
Could not verify exact content script behavior in detail due to minification

Monetization

No paid features detected

No payment, premium, upgrade, subscription, license, billing, stripe, or plan-related code found anywhere in the extension. The 'pro' keyword hits are false positives — they appear in minified webpack/require boilerplate (function parameter names like 'process'), not in any feature-gating or payment logic. The 'subscription' hit in popup.js is similarly inside module bundler boilerplate. The CSS popup UI shows only format selection (JPG/PNG radio buttons) and a shortcut key display — no upgrade buttons, pricing tiers, or locked features. The store listing describes all features as freely available.

Confidence: 95
Payment platform: --
Source: AI / Medium
Login required: No
Reason: No login, authentication, account, or token-related code found in source. The 'session' and 'signin' keyword hits are false positives inside minified webpack module bundler boilerplate (function parameter names), not actual auth flows. The extension's core workflow (capturing YouTube video screenshots via canvas) requires no user account. Permissions are limited to clipboardWrite, scripting, storage, and alarms — none requiring authentication.

Permission risk

High-risk permissions

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

扩展能力较强：scripting、storage
主机权限覆盖范围较宽

Publisher

Yshot - Youtube screenshot

Independent publisher

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Permissions

Host access