Can I turn static images into animated Slack emojis?

Yes, this skill can load user-uploaded images and apply animation concepts like shaking, spinning, or pulsing to create dynamic slackmojis.

Does it support smooth animation transitions?

Yes, the skill includes easing functions such as ease_out, bounce_out, and elastic_out to create natural, professional-looking movement rather than simple linear motion.

How does this skill handle Slack's file size limits?

It uses several optimization strategies including reducing the color palette to 48-128 colors, lowering FPS, and removing duplicate frames to ensure GIFs remain lightweight.

What are the recommended dimensions for Slack GIFs?

For custom Slack emojis, 128x128 pixels is recommended. For larger message GIFs, 480x480 pixels is the standard target.

Slack GIF Creator

Name: Slack GIF Creator
Author: x-cmd

byx-cmd

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Design Tools

Generates and optimizes custom animated GIFs specifically tailored for Slack emojis and messages using Python.

About

The Slack GIF Creator skill provides a comprehensive toolkit for building high-quality animations that adhere to Slack's specific technical constraints. It enables the creation of polished visuals using PIL primitives, advanced easing functions for professional motion, and specialized optimization tools that manage file sizes for custom emojis. Whether you need to animate a logo, create a celebratory 'slackmoji,' or design a custom message GIF, this skill handles the technical validation, color reduction, and frame assembly required for a seamless Slack experience.

Key Features

Comprehensive frame-building utilities for shapes, gradients, and particle bursts
Automated validation tools to ensure GIFs meet Slack's dimensions and FPS requirements
8 GitHub stars
Smart file size reduction through color palette optimization and duplicate frame removal
Advanced easing functions including bounce, elastic, and ease-in-out for smooth motion
Specialized Slack optimization for both custom emojis (128x128) and message GIFs (480x480)

Use Cases

Designing smooth, professional animated message GIFs for team announcements and celebrations
Creating custom 'shaking' or 'pulsing' slackmojis from static brand assets or icons
Optimizing and resizing existing animations to fit Slack's strict emoji file size limits

About

Key Features

Comprehensive frame-building utilities for shapes, gradients, and particle bursts
Automated validation tools to ensure GIFs meet Slack's dimensions and FPS requirements
8 GitHub stars
Smart file size reduction through color palette optimization and duplicate frame removal
Advanced easing functions including bounce, elastic, and ease-in-out for smooth motion
Specialized Slack optimization for both custom emojis (128x128) and message GIFs (480x480)

Use Cases

Designing smooth, professional animated message GIFs for team announcements and celebrations
Creating custom 'shaking' or 'pulsing' slackmojis from static brand assets or icons
Optimizing and resizing existing animations to fit Slack's strict emoji file size limits