Overeasy

Overeasy is a browser extension for Firefox that turns the place over, finding images on any webpage and rotating them 180 degrees in their place.

Overeasy is not available through the Firefox Extension Manager. To install and enjoy Overeasy:

1. Download the extension here and unzip it.
2. Open Firefox and in the URL bar type about: debugging.
3. Select This Firefox in the menu on the left.
4. Click Load Temporary Add-on and select the manifest.json file in the overeasy folder.
5. Surf the world wide web.