What image & video formats does Google Slides support?

Google Slides supports the following file formats:

Google Slides supports image files in JPEG, PNG, GIF and SVG formats. You can also add text to images.

Google Slides supports video files in MP4, MOV, MPEG-4 and WebM formats.

Google Slides offers an option to import Microsoft PowerPoint files as well as images from PowerPoint presentations into your presentation.