firefox-extension

How to download .xpi (Cross platform install) file from Firefox extensions ?

I try to port the extension from Chrome and get this error: Security Error: Content at "http://example.com" may not load or ... ources": [ "blocks/indicators/__icon/*", "blocks/namespace/*", "blocks/vk-inner/*", "moz-extension://*" ],

In chrome and in firebox there are excellent applications for translation link. Select the text, an icon appears, or use hot ... f of the functionality. Or the default Makovsky dictionary translates only by word. Is there something worthy of attention?