"With Google Slides, you can create, edit, collaborate, and present wherever you are. For free! Google Slides makes your ideas shine with a variety of presentation themes, hundreds of fonts, embedded video, animations, and more. You can choose from a wide variety of pitches, portfolios and other pre-made presentations — all designed to make your work that much better, and your life that much easier. Access, create, and edit your presentations wherever you go — from your phone, tablet, or computer
— even when there’s no connection.
With Google Slides, everyone can work together in the same presentation at the same time. All your changes are automatically saved as you type. You can even use revision history to see old versions of the same presentation, sorted by date and who made the change. Open, and edit, or save Microsoft PowerPoint files with the Chrome extension or app, Convert PowerPoint files to Google Slides and vice versa, and Don't worry about file formats again."