slack-gif-creator

Generate and validate Slack-ready animated GIFs from programmatic frames.

Updated Aug 23, 2026

Search Tags:#validation #Slack #image processing #GIF #PIL #Animation

Ready to run

npx skills add https://github.com/PaulCrossland1/claude-code-skills --skill slack-gif-creator-paulcrossland1

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: slack-gif-creator
Source: https://github.com/PaulCrossland1/claude-code-skills/tree/main/slack-gif-creator
Command: npx skills add https://github.com/PaulCrossland1/claude-code-skills --skill slack-gif-creator-paulcrossland1

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps teams quickly generate, optimize, and validate animated GIFs tailored for Slack, reducing manual tinkering and ensuring compatibility with Slack constraints.

Core Features & Use Cases

GIF assembly & optimization: Build frames from code or assets, apply Slack-friendly palettes, and compress for messaging or emoji usage.
Validation & safety: Verify dimensions, frame count, and color limits against Slack requirements; provide actionable feedback.
Use Case: Generate a Slack-ready GIF showing a product concept, then share it in a channel with guaranteed size and dimension compliance.

Quick Start

Install dependencies from requirements.txt. 2) Create frames with PIL, assemble with GIFBuilder, and save with Slack-specific optimization. 3) Validate the result with is_slack_ready or validate_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 optimize an animated GIF for Slack file size and dimension limits?▼

To optimize an animated GIF for Slack, use Pillow and imageio to assemble frames, reduce colors with Slack-friendly palettes, deduplicate frames, and validate file size against Slack constraints.

What are the dimension and color limits for Slack custom emoji GIFs?▼

Slack emoji GIFs require specific dimension, color, and frame count limits. You can validate these constraints programmatically using validation utilities that check dimensions, color limits, and file size before upload.

Can I generate Slack-ready GIFs programmatically from PIL image frames?▼

Yes, you can generate Slack-ready GIFs programmatically by creating frames with PIL, assembling them with a frame composer, applying color reduction, and saving with Slack-specific optimization settings.

How do I validate an animated GIF before uploading it to Slack?▼

You can validate an animated GIF before uploading to Slack by running it through validation utilities that verify dimensions, frame count, color limits, and file size, providing actionable feedback on compliance.

What is the best way to reduce GIF file size for Slack messaging without losing animation quality?▼

The best way to reduce GIF file size for Slack is to apply Slack-friendly palettes, deduplicate identical frames, and compress the output using numpy and Pillow while validating against Slack limits.

Why does my animated GIF not display correctly in Slack after uploading?▼

An animated GIF may not display correctly in Slack if it exceeds dimension, frame count, color, or file size limits. Use validation utilities to check compliance and apply color reduction and deduplication.