The various @#x sizes when uploading emoticons are used for display on various screen pixel densities, rather than actually showing the emoticon at different sizes.
For example, the @2x version of the image is used on most mobile devices to show a higher resolution version of the emoticon (but at the same visual size, so it looks "sharper"). Likewise, @3x and @4x versions are used on progressively more dense screens as appropriate.
These sizes get used automatically based on the pixel density. Emoticons will always display (in visual terms) at the size of the @1x version on your screen, but may have higher resolution based on whether or not your viewing them on a high-dpi screen. The fact that they display at different visual sizes when uploading is just a way to indicate whether there will be high-dpi versions of the image available after you upload.
All good things come to an end - thanks to all our customers and partners who have been along the Hipchat and Stride journey with us. As of Feb 15th 2019, Hipchat Cloud and Stride have reached ...
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events