Нашёл 100 тыс. ответов for 'keepvid'.
https://keepvid.com/
https://keepvid.com/video-editor.html
https://keepvid.com/about.html
https://keepvid.works/
https://keepvid.works/download-youtube-videos/
https://keepv.id/
https://keepvid.work/
https://www.facebook.com/KeepVidOfficial
https://en-gb.facebook.com/KeepVidOfficial
https://keepvid.pro/