There are dozens of online tools that either work with PowerPoint files or let you start from scratch to create and deliver presentations that will wow your audience.
This roundup includes tools that are free or have a free version, and excludes tools whose primary purpose is to create video.
Here’s the roundup:
SlideShare has recently gained attention as one of the best business presentation sites around. To use it, import a source file from PowerPoint, Word, PDF or other formats. (You can also import video with the paid pro version.)
With SlideShare, you can gussy up your plain PowerPoint with an embedded YouTube video or audio file to make it a more media-rich experience for viewers. Once your presentation is done, you can embed or share it widely, or post it automatically to your LinkedIn account.