Guides

• How to add custom emoji to Slack (desktop, bulk upload, naming rules)
  The exact menu path for adding custom emoji to a Slack workspace, name rules, uploading several files at once, aliases, and permissions.
• Slack emoji size limits: 128×128px, 128KB, GIF/PNG
  Slack custom emoji dimension, file size and format limits, why animated GIFs break, and how to fit the spec.
• Shrink a GIF to under 128KB for Slack (ffmpeg and online tools)
  Three ways to fit an animated GIF into Slack's emoji limits (128px, under 128KB): an ffmpeg command, ezgif, and this site's automatic conversion.
• 20 Korean meme emoji that get a reaction in team Slack
  Muyaho, Kwak Cheol-yong, Chimchakman and more: Korean variety-show, drama and internet memes as Slack emoji, grouped by situation. All files are ready to upload.
• Slack emoji for dev teams: deploy, rollback, bug, overtime
  Developer-flavored Slack emoji for deploy channels, code review and incident response, plus an example reaction convention for PR status.
• Slack vs Discord custom emoji: size limits, slots, permissions
  Side-by-side comparison of Slack and Discord custom emoji: file size, slot limits, animated emoji rules and who can add them. Plus how to reuse one file in both.