If you wish to share a Youtube video with your students in a safe way, use this fantastic website, SafeShare which converts your link to a safe link without any Ads and distractions! This will allow you to keep the safe link active for an hour and if you wish to have it for a longer time, you will have to sign in.
Smallpdf is a cool website to convert a PDF to different file formats (Word, Excel, PowerPoint, Image, etc.) and vice versa. You can also edit, split, compress, merge PDFs!
To save time, Google has new shortcuts to create G-Suite documents in a second without having to go to the App's page! You simply have to type these shortcuts in your browser window. Try them now!