Swaps black and white. Activate by clicking the icon or pressing Alt + D. Settings will be remembered on a per-website basis.
Some websites have white text on black, and some have black on white, but switching back and forth can strain your eyes. This extension lets you choose which websites you want to invert, so you can have a consist reading experience. Just go to the website you want to invert, and click the extension icon in the URL bar or press Alt + D to switch dark with light, and you can do it again to revert to the normal colors for that website. All pages on a website will use the same settings.
This extension will attempt to preserve the colors of photos in web pages.