Generates and optimizes high-quality animated GIFs specifically tailored for Slack emojis and message attachments.
Slack GIF Creator is a specialized toolkit that enables Claude to build professional-grade animations within the strict technical constraints of the Slack platform. It combines programmatic drawing using PIL with advanced animation concepts like easing functions, particle effects, and pulsing. The skill automatically handles platform-specific optimizations, such as color quantization and frame-rate management, to ensure your creations are lightweight enough for Slack while maintaining visual polish. Whether you're turning an uploaded logo into a custom reaction or creating a complex data visualization, this skill provides the validation and utility tools needed for platform-ready results.
Key Features
0113 GitHub stars
02Built-in validation suite to verify Slack-readiness before export
03Optimized presets for Slack emojis (128x128) and message GIFs (480x480)
04Programmatic drawing helpers for gradients, shapes, and complex animations
05Advanced easing library for smooth motion (bounce, elastic, ease-in-out)
06Automated file size optimization via color reduction and duplicate frame removal
Use Cases
01Generating custom branded Slack reactions and animated emojis from code or images
02Optimizing and resizing existing animations to meet Slack's file size upload limits
03Creating high-impact visual announcements or alerts for team communication
