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Custom Slack emoji

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:siren-blue: — Slack emoji free to download · EmojiBox

EmojiBox/Market/:siren-blue:

:siren-blue: Slack emoji — free PNG download

Custom Slack emoji

:siren-blue: Slack emoji

siren blue

Free PNG, sized for the Slack emoji picker. Add to any workspace in about 30 seconds.

Added: Apr 18, 2026
Popularity: #22,514/ 80,243
Workspaces: <1%

How to add it

Adding :siren-blue: to your Slack takes about 30 seconds.

Fastest· One click

Install the EmojiBox Chrome extension and push :siren-blue: straight to Slack from this page — no download, no upload, no naming.

Get the extension→

Or do it manually

Click Download PNG above.
In Slack, open the emoji picker and choose Add custom emoji.
Upload the file, name it siren-blue, and you're done.

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