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slack-gif-creator

Create and validate animated GIFs for Slack with size, color, and dimension constraints.

Updated Dec 1, 2025
Search Tags:#validation#optimization#slack#animation#gif#palette
One-click install
npx skills add https://github.com/stevessr/dotsfiles --skill slack-gif-creator-stevessr
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: slack-gif-creator
Source: https://github.com/stevessr/dotsfiles/tree/main/dot_claude/private_plugins/private_marketplaces/anthropic-agent-skills/skills/slack-gif-creator
Command: npx skills add https://github.com/stevessr/dotsfiles --skill slack-gif-creator-stevessr

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Knowledgeable toolkit for creating animated GIFs optimized for Slack, providing constraints, validation tools, and animation concepts to help produce shareable media that complies with Slack's media specs.

Core Features & Use Cases

  • GIFBuilder for assembling frames with color quantization and emoji-friendly optimization.
  • Validators to confirm GIFs meet Slack requirements (dimensions, size, and frame rate).
  • Easing & Frame Helpers for smooth motion design, gradient backgrounds, shapes, and text rendering.
  • Useful in workflows such as creating brand-consistent Slack emojis, animated status visuals, or onboarding widgets that meet Slack's media specs.

Quick Start

Create a 128x128 Slack emoji GIF using 12 frames, 48 colors, and 10 FPS.

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 to meet size and dimension limits?▼

Creating Slack emoji GIFs requires specific constraints, typically 128x128 dimensions, limited color palettes like 48 colors, and controlled frame rates around 10 FPS. These settings ensure the animation meets Slack's media specifications for custom emoji without exceeding upload limits.

How does frame composition and easing affect animated GIF creation?▼

Frame composition and easing functions control the smoothness of motion design in animated GIFs. By using modular frame helpers to assemble gradients, shapes, and text with easing, you achieve fluid animation transitions while keeping the frame count optimized for Slack's constraints.

What is the best way to validate a GIF before uploading it to Slack?▼

The best way to validate a GIF for Slack is to use validation tools that check dimension, size, and frame rate constraints. Confirming these media specifications before upload ensures the file will be accepted as a Slack emoji or message attachment without compression artifacts.

Why does my Slack GIF upload fail or lose quality, and how do I fix it?▼

Slack GIF uploads fail or lose quality when the file exceeds size limits or uses an unoptimized color palette. Fix this by applying color quantization, reducing frame count through deduplication, and validating dimensions to ensure the GIF meets Slack's strict media specifications.

Can I use color quantization and palette optimization to reduce GIF file size for Slack?▼

Yes, color quantization and palette optimization are modular tools used to significantly reduce GIF file size for Slack. By limiting the color palette and deduplicating identical frames, the GIF output is streamlined into a production-ready, shareable format that meets Slack's constraints.

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