Helps Russian-speaking users understand English/foreign language YouTube content through synchronous Russian voice-over translation directly in the YouTube player, removing the language barrier.

User opens a YouTube video -> Extension adds translation buttons to the player -> User clicks 'Translate' -> Extension sends video context (URL/ID, language, duration) to external translation service -> Service returns Russian voice-over audio -> Audio plays synchronized with video -> User can download the translated audio track

Target users: Russian speakers watching English/foreign YouTube content / Language learners / Users seeking self-education without language barriers

content.js is heavily minified/bundled (~598KB), making it difficult to trace all API call patterns and translation service interactions in detail. However, the key decisions (login, payment) are clearly established by manifest, store description, and background.js logic.
The extension relies on external translation services (vot.toil.cc, api.browser.yandex.ru, Yandex storage) for the actual voice translation. The analysis assumes these services are free based on the extension's claims, but cannot verify the backend pricing model of these third-party services.
The 'promo-badge' UI element suggests potential future monetization or promotion, but currently shows no paid feature gating.

Monetization

No paid features detected

The extension explicitly states 'No registration or payment required' and 'Без подписок и оплат' (No subscriptions and payments). No payment platforms, billing APIs, or upgrade prompts are present in the code. The 'promo-badge' CSS class is for promotional purposes only, not a paid feature gate. The extension communicates with external translation services (vot.toil.cc, api.browser.yandex.ru) but there is no evidence of subscription checks, license validation, or paywall logic.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension explicitly states 'No registration or payment required' in both the manifest description and the Web Store listing. The code contains no login, auth, or account creation logic. It only uses chrome.storage.local for local settings (extensionEnabled, sourceLang, targetLang, etc.). The content script runs on YouTube pages (excluding accounts.youtube.com) without requiring any user authentication flow.

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：storage

Publisher

Yurii.Slepnev

Independent publisher

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

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Permissions

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