Custom Slack emoji
Custom Slack emoji
:mainframe: - mainframe Slack emoji
mainframe
Free PNG, sized for the Slack emoji picker. Add to any workspace in about 30 seconds.
- Added
- Aug 7, 2025
- Popularity
- #49,367/ 80,192
- Workspaces
- <1%
Similar names
Browse all M More emoji like :mainframe:
Names starting with mai.
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How to add it
Add :mainframe: to Slack in ~30 seconds
Fastest· One click
Install the EmojiBox Chrome extension and push :mainframe: 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 mainframe, and you're done.
