Firefox Extension Icons: Sizes, Formats, and SVG vs PNG

Firefox Extension Icons: Sizes, Formats, and SVG vs PNG The icon is the first thing users see in AMO search results and the add-ons bar. Getting it right matters. Required Sizes For a complete Firefox extension, provide icons at these sizes: { "icons" : { "16" : "icons/icon-16.png" , "32" : "icons/icon-32.png" , "48" : "icons/icon-48.png" , "96" : "icons/icon-96.png" , "128" : "icons/icon-128.png" } } Size Where Used 16px Browser toolbar (compressed) 32px Browser toolbar (HiDPI / retina) 48px AM