EazyLoader

EazyLoader is Flask based web-application built to make downloading easy for you. Download videos and pictures from YouTube and Instagram in the best available quality. You can also download slides from SlideShare in PDF or PPTX format. In addition to that, you can calculate duration of YouTube Playlist at different speeds. You can also encrypt and decrypt your PDF files using this tool. Maintained by ashutoshkrris on GitHub, where it has earned 69 stars from the community.

It's actively developed around decrypt-pdf, downloader, encrypt-pdf, and is a solid reference for anyone building with these tools.