Click the Add Emoji button in the bottom-left corner of the Emoji menu.Ĥ. In the message field at the bottom, click the Emoji (smiley face) icon.ģ. Open the Slack app or website on your computer.Ģ. The app will automatically resize your image if it doesn’t match the recommended dimensions.Įmojis can only be added from Slack’s desktop and web apps.ġ. Slack recommends 128x128px square images.

Animated GIFs must be 50 frames or less in length. You may only upload JPG, PNG, or GIF formats with up to a maximum size of 128KB. There are some limits in place for these that bear mentioning, however. How to Add Custom Emoji to SlackĪny member of your workspace can add custom emojis to it. You can even set multiple alternative names for each of these emojis just to make remembering them easier. For those instances, Slack users have the option to add their very own emoji to the mix or pick from a number of sets made specifically for the app. Out of the box, Slack offers all of the emojis in the Unicode standard, but sometimes the usual list of emojis, as exhaustive as it is, just doesn’t cut it. That’s why we have those tiny images everyone calls emojis. In a primarily textual medium like Slack, words may convey their meaning but they also tend to lose their tone. Communication is an art, they say, and like any other art, it must change to fit the medium it inhabits.

Slack add emoji