The default emoji size in Discord is generally 32×32 pixels. In chat messages, emojis can also appear smaller in some contexts, around 22×22 pixels.

Quick Scoop

If you’re asking about the size to design or upload a custom emoji, the safest common guideline is 128×128 pixels , because Discord scales it down for display.

Practical note

  • Displayed size: usually 32×32 pixels.
  • In some message contexts: around 22×22 pixels.
  • Upload size for custom emoji: often 128×128 pixels is recommended.

TL;DR: 32×32 is the default display size, and 128×128 is the common upload size for custom emoji.