FireFox Plugin: Jetpack Image Editor

Jetpack Image Editor is a Firefox extension which allows you to edit any image on the web. After you installed the extension, right click on the image in Firefox and select Edit Image to activate Jetpack Image Editor. The interface and features are very similar to Photoshop. There are: Tool bar, Layers, History, Adjustment, Filter, and more. Technically speaking, it is like a mini version of Photoshop that runs in Firefox. By n.design studio.