A large number of people create presentations in MS PowerPoint, however many devices nowadays do not support the PPT format. For example, many people now carry tablets and smartphones instead of laptops, which do not necessarily have PowerPoint installed on them.
If you frequently require sharing PowerPoint presentations, PDF documents or image files, then try the Reel web app. It is a free service that allows users to upload and share the aforementioned file types via a a unique sharing URL and an embed code.
Via FPPT
With Reel you upload your PowerPoint presentation or PDF files, edit slide information or remove slides, get your URL and share your presentation on the web.
Once you have saved your presentation, you won't be able to edit it but the viewers can vote on your slides. This feature makes Reel presentations great for polling purposes.
It is suitable for students because it is free and does not require registration.