What are the recommended dimensions for Slack GIFs?

For custom emojis, 128x128 pixels is recommended. For standard message attachments, 480x480 pixels is the suggested size.

Can I use existing images as a base for the animations?

Yes, you can upload images which the skill can then process using PIL to animate, resize, or use as a reference for style and color.

Does it require external dependencies?

Yes, the workflow relies on standard Python libraries including Pillow (PIL), imageio, and numpy to handle image processing and GIF assembly.

What kind of animation effects are supported?

The skill supports a wide range of effects including shaking, pulsing, bouncing, spinning, fading, and complex particle bursts using built-in easing functions.

How does this skill optimize GIFs for Slack's file size limits?

The skill provides optimization strategies such as reducing the color palette to 48-128 colors, lowering FPS, and removing duplicate frames during the save process.

Slack GIF Creator

Name: Slack GIF Creator
Author: partme-ai

bypartme-ai

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Design Tools

Generates high-quality, optimized animated GIFs specifically tailored for Slack emojis and message attachments.

About

The Slack GIF Creator skill provides a comprehensive toolkit for developers to programmatically generate animated GIFs that meet Slack's specific technical constraints. It includes built-in utilities for frame composition, easing animations, and visual optimization to ensure GIFs look professional while maintaining the small file sizes required for custom Slack emojis or channel content. Whether drawing from scratch using primitives or animating uploaded images, this skill handles the complexities of FPS, color palettes, and duration validation.

Key Features

Advanced animation easing functions including bounce, elastic, and smooth transitions
Slack-optimized GIF builder with automated dimension and color palette management
Built-in validation tools to ensure compatibility with Slack's specific file requirements
Optimization strategies to minimize file size through frame reduction and color indexing
Drawing primitives for high-quality shapes, gradients, and polished visual depth
37 GitHub stars

Use Cases

Prototyping UI animations and visual feedback loops designed for chat environments
Generating dynamic visual alerts or status updates for automated Slack integrations
Creating custom animated Slack emojis for team-specific reactions and branding

About

Key Features

Advanced animation easing functions including bounce, elastic, and smooth transitions
Slack-optimized GIF builder with automated dimension and color palette management
Built-in validation tools to ensure compatibility with Slack's specific file requirements
Optimization strategies to minimize file size through frame reduction and color indexing
Drawing primitives for high-quality shapes, gradients, and polished visual depth
37 GitHub stars

Use Cases

Prototyping UI animations and visual feedback loops designed for chat environments
Generating dynamic visual alerts or status updates for automated Slack integrations
Creating custom animated Slack emojis for team-specific reactions and branding