How does the skill handle GIF optimization?

It implements several strategies including reducing color palettes (typically to 48-128 colors), lowering FPS, and removing duplicate frames to keep file sizes small.

What are the recommended dimensions for Slack emojis?

For custom Slack emojis, 128x128 pixels is recommended. For message-based GIFs, the skill defaults to 480x480 pixels.

Can I use my own images with this skill?

Yes, you can provide uploaded images which the skill can then animate, split into frames, or use as a style reference for new graphics.

What kind of animations can I create?

The skill supports a wide range of movements including shakes, heartbeats, bounces, rotations, fades, slides, and even particle burst effects.

Slack GIF Creator

Name: Slack GIF Creator
Author: claudiodearaujo

byclaudiodearaujo

0•

Collaboration Tools

Generates and optimizes high-quality animated GIFs and custom emojis tailored specifically for Slack's technical requirements.

Slack GIF Creator is a specialized toolkit for Claude Code designed to streamline the creation of animated assets for Slack. It provides developers with the precise constraints, validation tools, and animation patterns needed to produce polished GIFs—whether for custom emojis or message-based reactions. The skill includes a robust GIFBuilder, professional easing functions for smooth motion, and optimization strategies to ensure your animations stay within Slack's file size limits while maintaining visual depth and vibrant colors.

Key Features

01Professional easing functions including bounce, elastic, and ease-in-out

02Comprehensive frame composer for drawing complex shapes and gradients

03Advanced animation concepts like pulses, shakes, rotations, and particle bursts

04Slack-specific optimization for dimensions, FPS, and color depth

05Built-in GIF validation tools to ensure Slack-ready uploads

060 GitHub stars

Use Cases

01Animating existing brand assets or images into Slack-optimized GIFs

02Designing custom high-quality Slack emojis from scratch using code

03Automating the creation of team-specific reaction GIFs and celebratory animations

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add claudiodearaujo/izacenter slack-gif-creator

For use in Claude.ai and ChatGPT

Download Skill