Can I combine multiple animation effects?

Yes, the toolkit is designed with composable primitives, allowing you to layer effects like bounce and shake or fade and zoom within a single animation sequence.

What dimensions does the toolkit support?

It defaults to Slack-optimized dimensions: 480x480 for message GIFs and 128x128 for emojis, though these can be customized using the GIFBuilder utility.

How does it handle Slack's strict 64KB emoji limit?

The skill uses aggressive optimization strategies, including color quantization (limiting to 32-48 colors), frame count reduction (10-15 frames), and specialized validators to ensure the GIF stays under the strict upload limit.

Do I need external design software to use this skill?

No, the skill utilizes Python-based libraries and custom helper utilities to generate visuals directly within the Claude Code environment without needing Photoshop or Giphy.

Slack GIF Creator

Name: Slack GIF Creator
Author: danhhungthaii

bydanhhungthaii

0•

Design Tools

Generates and optimizes animated GIFs and custom emojis specifically tailored for Slack's file size and dimension constraints.

The Slack GIF Creator is a specialized toolkit designed to help developers and designers programmatically generate high-quality, lightweight GIFs for Slack. It provides a comprehensive suite of animation primitives—including shaking, bouncing, morphing, and kaleidoscope effects—alongside strict validation tools to ensure exports meet Slack's 64KB emoji limit or 2MB message limit. Whether you're building custom reactions or engaging message visuals, this skill handles the technical complexities of frame optimization, color quantization, and motion physics to ensure your creations are ready for immediate upload.

Key Features

01Library of composable animation primitives like shake, bounce, and pulse

02Advanced optimization engine for meeting strict 64KB file size limits

030 GitHub stars

04Automated Slack constraint validation for message GIFs and emojis

05Helper utilities for readable text rendering and cohesive color palettes

06Support for complex motion effects including particle systems and kaleidoscope filters

Use Cases

01Generating high-impact announcement GIFs for Slack channels with optimized dimensions

02Creating custom animated emojis from simple descriptions or existing emoji sequences

03Building automated workflows for team-specific reactions and branding assets

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add danhhungthaii/doancs2 slack-gif-creator

For use in Claude.ai and ChatGPT

Download Skill