Custom Slack emoji
Custom Slack emoji
:ultrathink: - ultrathink Slack emoji
ultrathink
Free PNG, sized for the Slack emoji picker. Add to any workspace in about 30 seconds.
- Added
- Mar 19, 2026
- Popularity
- #74,211/ 80,192
- Workspaces
- <1%
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How to add it
Add :ultrathink: to Slack in ~30 seconds
Fastest· One click
Install the EmojiBox Chrome extension and push :ultrathink: straight to Slack from this page — no download, no upload.
Get the extensionOr do it manually
- Click Download PNG at the top.
- In Slack, open the emoji picker and choose Add custom emoji.
- Upload the file, name it ultrathink, and you're done.
