Emoji Builder - Create your own emoji in no time 💨
FotoFlexer - FotoFlexer is the most powerful online photo editor in existence.
Emoji Maker - Create custom Emoji based on Twemoji
Photoshop.com - Photoshop.
My Slack Emoji - Turn your team photos into Slack emoji's
Fun Photo Box - FunPhotoBox is a free photo editing device where you can make clever pictures from your photographs.