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Hollis36
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slack-gif-creator

Assemble Slack-ready animated GIFs from PIL frames with color quantization.

1|1|Updated Jan 23, 2026
Search Tags:#validation#optimization#slack#animation#gif#image-processing
One-click install
npx skills add https://github.com/Hollis36/claude-skill --skill slack-gif-creator-hollis36
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: slack-gif-creator
Source: https://github.com/Hollis36/claude-skill/tree/main/skills/slack-gif-creator
Command: npx skills add https://github.com/Hollis36/claude-skill --skill slack-gif-creator-hollis36

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill provides knowledge and utilities for creating animated GIFs optimized for Slack, including guidance on constraints, frame assembly, color optimization, and validation to ensure quick, branded visuals in Slack conversations.

Core Features & Use Cases

  • GIF assembly and frame management using PIL with optional gradient backgrounds and simple shapes.
  • Color quantization and compression tuned for Slack emoji and message GIF sizes.
  • Real-world use cases include onboarding micro-animations, channel announcements, and quick product demos.

Quick Start

Provide a sequence of PIL frames to the GIF builder, then save with emoji-friendly options to produce a Slack-ready GIF.

Frequently Asked Questions about slack-gif-creator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create optimized animated GIFs for Slack from image frames?▼

To create optimized animated GIFs for Slack, you assemble programmatic frames using PIL-based tooling, apply color quantization, and package the output into a Slack-compatible GIF with target dimensions like 480x480.

What dimensions should Slack GIFs and custom emoji be?▼

Slack GIFs should target dimensions of roughly 480x480 for standard messages, while custom Slack emoji animations should be sized around 128x128 to meet platform constraints and display correctly.

How does color quantization improve GIF compression for Slack?▼

Color quantization improves GIF compression by reducing the color palette to essential shades, which decreases file size while maintaining visual quality for quick loading in Slack conversations and product docs.

Can I use PIL to assemble frames with gradient backgrounds into a Slack GIF?▼

Yes, you can use PIL to assemble frames with optional gradient backgrounds and simple shapes into a Slack-ready GIF, applying optional frame deduplication and palette optimization during the packaging process.

What is the best way to validate GIFs before uploading to Slack channels?▼

The best way to validate Slack GIFs is to run them through an end-to-end validation process that checks palette optimization, frame deduplication, and Slack-compatible packaging constraints after assembly.

Are there limitations when creating Slack emoji animations from programmatic frames?▼

Limitations include adhering to Slack's strict file size and dimension constraints, requiring palette optimization and color quantization to ensure the 128x128 animated emoji loads quickly without quality degradation.

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