Used Upside Down for Windows?
The Download Now link will prompt a local download of the Google Chrome extension. To install the extension directly, open the file using your Chrome browser.
Editors’ Review
Download.com staff
Pros
- Flips entire webpages
- Option to flip only images
- Option to flip everything but images
- Includes a delay timer for pranks
- Simple and fun to use
Cons
- Limited functionality beyond webpage flipping
- No options for other prank types
- Relies solely on visual disruption
