Based on our record, ClipGrab seems to be a lot more popular than TubeNinja.net. While we know about 23 links to ClipGrab, we've tracked only 1 mention of TubeNinja.net. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
An app called ClipGrab works well enough for me: https://clipgrab.org. - Source: Hacker News / 3 months ago
I don't think it's illegal. I use a clipgrab for that. Source: 10 months ago
I haven't seen a better and simpler app for this purpose than ClipGrab. It's free, it's multiplatform. Source: 11 months ago
Clipgrab is pretty decent, and I believe it is QT based. It is available in most distro repos depending on what you're running. Source: 11 months ago
Then I love Shottr for better screenshots, AppCleaner for automatically delete all the related files when deleting an app and ClipGrab to download from youtube any video/audio. Source: 12 months ago
This is how it works on Tubeninja:. Source: over 1 year ago
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Y2All.com - Online Video Downloader - Free Video Downloader - Y2All.com
yt-dlp - A youtube-dl fork with additional features and fixes.