Web Asset Generator
Generate favicons, app icons (PWA), and social media Open Graph images from logos or text
- Type
- Skill
- Repository
- alonw0/web-asset-generator
- GitHub stars
- 508
- License
- MIT
- Repo last updated
- Jan 28, 2026
- Source file
- README.md
What Web Asset Generator is
Web Asset Generator is a skill published in the alonw0/web-asset-generator repository on GitHub, which has about 508 stars. The repository describes itself as: “Claude skill to generate favicons, app icons, and social media images from logos, text, or emojis. Supports emoji suggestions, validation, and framework auto-integration.”
A skill is a folder with a SKILL.md file: frontmatter with a name and a description, followed by instructions Claude follows. Claude loads a skill automatically when a task matches its description, and you can also run it directly with a slash and its name.
Skills work in Claude Code and in Claude Cowork, which makes Web Asset Generator a portable way to give Claude the same method everywhere.
How to install Web Asset Generator
Claude Code
- Download the web-asset-generator folder from the repository.
- Save it as ~/.claude/skills/<skill-name>/SKILL.md for all projects, or .claude/skills/<skill-name>/SKILL.md for one project.
- Claude loads it automatically when a task matches; you can also run it with / and its name.
Claude Cowork
- Zip the skill folder so SKILL.md sits at the top level of the folder.
- Open Customize → Skills, click +, then upload the ZIP.
- Start a task that matches the description, or call it by name with /.
New to extending Cowork? Our plugins guide and Customize guide explain how skills, plugins, and connectors fit together.
Inside the source file
An excerpt from README.md, shared under the repository's MIT license. Read the full file on GitHub.
> 🎨 A Claude Code Skill for generating favicons, app icons, and social media images
Talk to Claude naturally to create production-ready web assets from logos, text, or emojis!
What is This?
This is a Claude Code Skill - a modular capability that extends Claude's functionality. When installed, Claude can automatically generate web assets through natural conversation.
Example conversation:
> You: "Create a favicon for my coffee shop website" > > Claude: > - Suggests relevant emojis (☕ Coffee, 🏪 Store) > - Generates all icon sizes (16×16 through 512×512) > - Validates files and checks accessibility > - Detects your framework (Next.js, Astro, etc.) > - Offers to add HTML tags to your code > - Provides testing validator links
No manual work needed - just ask Claude!
🎬 Demo
See the skill in action:
https://github.com/user-attachments/assets/99b37698-98ec-42fe-87aa-f96b86edc00b
Your browser doesn't support video playback. Download the demo video .
Watch Claude automatically generate favicons, validate them, and integrate them into your project!
🚀 Quick Start
1. Prerequisites
- Claude Code 2.0.13 or later
- Python 3.6+ with pip
2. Install the Plugin
Recommended: Via Plugin Marketplace
The easiest way to install:
/plugins marketplace add alonw0/web-asset-generator
and then
/plugin install web-asset-generator@web-asset-generator-marketplaceThen install dependencies:
pip install Pillow
# Optional: For emoji support
pip install pilmoji 'emoji<2.0.0'Alternative: Manual Installation
Click to expand manual installation steps
Clone this repository:
git clone https://github.com/alonw0/web-asset-generator.git
cd web-asset-generatorCopy the skill folder to Claude's skills directory:
# macOS/Linux
cp -r skills/web-asset-generator ~/.claude/skills/
# Windows
xcopy /E /I skills\web-asset-generator %USERPROFILE%\.claude\skills\web-asset-generatorInstall dependencies:
pip install Pillow
pip install pilmoji 'emoji<2.0.0' # Optional3. Restart Claude Code
After installation, restart Claude Code to load the plugin.
4. Use It!
Open Claude Code and try:
- "Create a favicon with a rocket emoji"
- "Generate Open Graph images for my blog"
- "Make app icons from my logo.png"
Claude will automatically invoke this skill and guide you through the process!
✨ Features
- Favicons - Browser icons (16×16, 32×32, 96×96, favicon.ico)
- App Icons - PWA/mobile icons (180×180, 192×192, 512×512)
- PWA Manifest - Auto-generate manifest.json with icons, colors, and settings
- Social Images - Open Graph for Facebook, Twitter, LinkedIn (1200×630, 1200×675)
- Emoji Support - 60+ curated emojis with smart suggestions
- Validation - File sizes, dimensions, formats, WCAG contrast compliance
- Auto-Integration - Framework detection and code insertion
- Interactive - Question-based workflow using Claude's UI
📸 Examples
Emoji Favicon Generated from 🚀 with custom background Social Media Image Text with dynamic font sizing
📁 Repository Structure
web-asset-generator/ # Repository root
├── README.md # This file
├── CONTRIBUTING.md # How to contribute
├── LICENSE # MIT License
├── CHANGELOG.md # Version history
├── .claude-plugin/ # Plugin metadata
│ └── plugin.json # Plugin manifest
├── marketplace.json # Marketplace distribution
├── docs/ # Documentation & examples
└── skills/ # Skills directory
└── web-asset-generator/ # ⭐ THE SKILL (copy this folder)
├── SKILL.md # Skill definition (Claude reads this)
├── CLAUDE.md # Development guidance
├── scripts/
│ ├── generate_favicons.py # Favicon generator
│ ├── generate_og_images.py # Social image generator
│ ├── emoji_utils.py # Emoji utilities
│ ├── check_dependencies.py # Dependency checker
…To install: Copy the skills/web-asset-generator/ folder to ~/.claude/skills/
💬 Usage Examples
Once installed, use natural language:
Favicon Generation
"Create a favicon for my tech startup"
"Generate app icons from my logo.png"
"Make a favicon using a rocket emoji"
"I need PWA icons for my website"Social Media Images
"Create Open Graph images for my blog"
"Generate Twitter card with my tagline"
"Make social sharing images from my logo"
"Create Facebook preview with custom colors" Before you install
- Read the whole file first. Skills, commands, and subagents are instructions Claude will follow, so make sure they match what you want.
- Check which tools, scripts, or MCP servers it uses. Local servers and scripts run with your permissions.
- Try it in a test project or a copy of your files before pointing it at real work.
- Pin the version you tested, and review changes before updating.
- Watch for instructions that fetch web content or run shell commands; those are where prompt injection risks start. See our prompt injection guide.
FAQ
What is Web Asset Generator?
Web Asset Generator is a skill for Claude Code and Claude Cowork from the alonw0/web-asset-generator repository on GitHub. Generate favicons, app icons (PWA), and social media Open Graph images from logos or text
How do I install Web Asset Generator in Claude Code?
Download the web-asset-generator folder from the repository. Save it as ~/.claude/skills/<skill-name>/SKILL.md for all projects, or .claude/skills/<skill-name>/SKILL.md for one project. Claude loads it automatically when a task matches; you can also run it with / and its name.
Can I use Web Asset Generator in Claude Cowork?
Zip the skill folder so SKILL.md sits at the top level of the folder. Open Customize → Skills, click +, then upload the ZIP. Start a task that matches the description, or call it by name with /.
Is Web Asset Generator safe to install?
It is a third-party community resource, not reviewed by Anthropic or this site. Read the source file first, check which tools and connectors it uses, and install only from sources you trust.
Similar resources
- Agentic System Design Prescriptive Q&A workflow for designing agentic pipelines, multi-model councils, sub-agent hierarchies, and tool-loop hardening for any… Skill · ooiyeefei/ccc
- Alt Text Generate and improve accessible alt text for data visualizations and images in R packages and Quarto documents. Use when the user wants to… Skill · posit-dev/skills
- Agent Browser Browser automation CLI for AI agents. Use when the user needs to interact with websites, including navigating pages, filling forms… Skill · mxyhi/ok-skills
- Video Assemble 合成视频解说最终成片:把旁白音频铺到源视频上,按旁白窗口压低原声,生成 SRT / ASS 字幕并可烧录, 最后做响度标准化。作为最终合成阶段使用。输入源视频、tts_meta.json 与旁白位置; 输出 recap 成片和字幕。触发词:视频合成、混音、字幕、压字幕、assemble video、mux、ducking、subtitles、成片。 Skill · zenstory-ai/video-recap-skills
- CSV Data Summarizer Automatically analyzes CSV files and generates comprehensive insights with visualizations without requiring user… Skill · coffeefuelbump/csv-data-summarizer-claude-skill
- Clickhouse Best Practices MUST USE when reviewing ClickHouse schemas, queries, or configurations. Contains 28 rules that MUST be checked before providing… Skill · ClickHouse/agent-skills
- Account Rotation Switch coding-agent accounts on a usage/rate Skill · boshu2/agentops
- Swift Concurrency Pro Reviews Swift code for concurrency correctness, modern API usage, and common async/await pitfalls. Use when reading, writing, or reviewing… Skill · twostraws/Swift-Concurrency-Agent-Skill