SlideShare is an online presentation service launched in 2006 and acquired by LinkedIn in 2012. The platform originally focused on digital slideshows, hence the name, but eventually added support for uploading files created in other programs and embedding LinkedIn videos to create more dynamic presentations.

SlideShare is a kind of combination of a social network and an online learning resource. Anyone can create a presentation on the SlideShare website, sometimes called "SlideShare net", while those who create high-quality and popular creations, such as extensive webinars, can often gain a large following.

Projects created on SlideShare can be posted privately or publicly on the platform. When a project is posted publicly on SlideShare, SlideShare users can like or comment on it, and share it on social media or by embedding it on a website. Presentations can also be downloaded for offline viewing on the official SlideShare iOS app and SlideShare Android app.

SlideShare is best known as an educational resource with a variety of webinars and training presentations on a wide range of topics. Despite this main focus, SlideShare is also used by many to promote brands or businesses, and some even use it as a blog or newsletter service for their website.