Is it possible to add hosting to some image hosting in share menu? I have a MacBook Pro. I can make screenshots. It lands on the desktop. By opening the context menu I can press the Share button.

Is it possible to add some button which will share the image on some image hosting? For example, I had Gyazo on Windows and now I use Lightshot. I can select region of my screen and picture immediately hosts on the server and link to the image is in my buffer.

I mean this menu:



Is this possible on Mac?
You can use ImageShareUr which adds a share extension for uploading to Imgur.

Choose More to enable the extension for the first use, then you can select an image and choose Share → Upload to Imgur and follow the instructions.

                 


Despite the author's message on the page that it doesn't work in Sierra, I've just tried it on 10.12.4 and it works great.