Growth signalPaid features detectedMedium-risk permissions

YouTube ™ Cover image extractor

YouTube ™ Video cover image extractor, one click view, quick download

Users668Current public install base

Rating5.0Store average score

Reviews1Public review volume

Manifest versionV3Extension platform version

7-day growth+12Net users gained this week

7-day growth rate+1.83%Relative weekly velocity

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User Growth Over Time

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30-day rating change

Start

5.00

Latest

5.00

30-day rating change

0.00

2026年6月16日2026年6月22日

Growth overview

Daily, weekly, and monthly growth

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1-day growthGrowing

+3+0.45%

7-day growthGrowing

+12+1.83%

30-day growthGrowing

+25+3.89%

Technical snapshot

Version, languages, and crawl freshness

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Version1.9

ManifestV3

Size95.77KiB

Languages54Deutsch / English / English (United Kingdom) +51

Published--

Store updated--

Last crawled--

Overview

Product summary

Review the store description, core capabilities, and common use cases.

YouTube Video Cover Image Extractor is a powerful and easy-to-use tool designed for quick access to YouTube ™ User design of video cover image. With a simple one click operation, you can easily view and download high-quality cover images. This tool supports downloading cover images in multiple resolutions and allows you to preview the cover images to ensure the selection of the most suitable image. At the same time, it also supports batch processing of multiple videos, greatly improving efficiency.

Whether you are a content creator who needs cover images for video production, a social media marketer who needs image materials, or a designer who needs inspiration references, YouTube Cover Image Extractor can provide you with convenience. We uphold the humble engineer mentality and are committed to providing users with lightweight, efficient, and user-friendly solutions to help you easily complete various tasks.

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AI product read

Extract and download YouTube video cover images

Provides quick access to high-resolution YouTube video thumbnail/cover images without needing to manually navigate YouTube or right-click to save images

User installs extension -> Must log in with Google account (unless Chinese locale) -> Navigates to a YouTube video page -> Clicks extension icon -> Popup shows the video's cover image -> User can click download button to save the image -> If subscription expired, user is blocked and redirected to payment page

Target users: Content creators needing cover images for video production / Social media marketers needing image materials / Designers looking for inspiration references

The extension uses a third-party SDK (nbsdk) for authentication and payments, which adds complexity. The actual payment platform is a custom endpoint (pay.extensiondata.com) rather than a recognized platform like Stripe or PayPal. Chinese users are completely exempt from both login and payment requirements, which means the experience varies significantly by locale. The store description mentions batch processing and multiple resolutions, but the source code only shows single-image extraction and download functionality.
The paywall logic is enforced client-side via nbsdk/nbsdk.js, which checks subscription expiry and displays a blur overlay. This could potentially be bypassed by modifying local storage.
The extension claims to be for 'people with disabilities' in its payment appeal text, which is unusual and may indicate a questionable monetization strategy.

Monetization

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Permission risk

Medium-risk permissions

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扩展能力较强：downloads、tabs、storage、activeTab
同时具备浏览数据与站点访问能力

Publisher

miaoxiaomis

Independent publisher

Email: [email protected]
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Permissions

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