Compare Chrome extensions: CK-12 vs Video Downloader Web

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Stats	CK-12	Video Downloader Web
User count	1,000,000+	300,000+
Average rating	4.26	3.20
Rating count	53	166
Last updated	2018-07-02	2022-09-01
Size	12.02K	105.47K
Version	0.0.0.9	1.8.5

Short description
CK-12 is an app to help students, and teachers improve K-12 learning globally by providing self-pace learning content & tools.	An effective utility for allowing you to download all videos from any website!
Full summary
Learn over 5,000 math and science concepts at your own pace and in your own style! (videos, assessments, interactive objects, etc) Math subjects include: Arithmetic, Measurement, Algebra, Geometry, Probability, Statistics, Trigonometry, Analysis, and Calculus Science subjects include: Earth Science, Life Science, Physical Science, Biology, Chemistry, and Physics Other subjects include: SAT Exam Prep., Engineering, Technology, Astronomy, English, and History Features: -Access Common Core and State Standards aligned content (digital textbooks and concepts). -Browse, learn and practice (or teach) over 5000+ concepts using multiple modalities (text, videos, quizzes, flashcards and more). -Manage your class online through groups. -Assign practice to students and track their progress. -Everything on our app and website is always 100% Free. CK-12 Foundation is a non-profit that creates and curates high quality STEM content for students and teachers around the world. See more	Video Downloader Web - download any video file into a playlist and take it with yourself across the Web! This is the one of the most popular media video downloader extension in the Chrome Web store on this moment. Get an online downloader, player and playlist in a single package! You can experience the convenience of free online video download with the extension very easily. Play the video and click the browser extension button to download it, then save the video in any quality and size, it's that easy. Video Downloader extension has a very user-friendly interface. With it, you can navigate all sites and download HD videos from your social media accounts. All formats are supported. 100% Free! Also, you can immediately get the freedom to download every MP4 files you see on the Internet, in different sizes and quality, without getting stuck in the online download traffic. We will help you save time, immortalize moments and solve your problems. NOTE: We suggest to check first media copyright permissions before downloading media files. The download of YouTube videos to hard drive is locked because of restrictions of the Chrome Store. We will be glad to see your feedback or suggestions for improving the work of the video downloader extension! Please contact us if you have any problems or suggestions.