Generate beautiful, animated countdown GIFs for your websites and applications using WebAssembly, Go, and Cloudflare Workers! This powerful tool creates customizable countdown animations in various styles and languages.

• 🎨 Multiple countdown styles:

  • rounded: Clean circular progress indicators
  • rounded-ticks: Modern tick-based circular display
  • rounded-dots: Elegant dot-based circular display
  • basic: Simple text-based countdown

• 🌈 Customizable colors for background and text

• 🌍 Support for 30+ languages

• ⚡ Lightning-fast performance with WebAssembly

• 🔄 Configurable animation frames

• 🌐 GMT offset support

• 💾 Built-in caching with Cloudflare Workers

Simply make a GET request to your worker's URL with your desired parameters:

https://countdown.simpleimg.io/?date=2026-01-01&kind=rounded&color=00ff00

<img src="https://countdown.simpleimg.io/?date=2026-01-01" alt="Rounded Countdown" />

<img src="https://countdown.simpleimg.io/?date=2026-01-01&kind=rounded-dots" alt="Dots Countdown" />

<img src="https://countdown.simpleimg.io/?date=2026-01-01&kind=rounded-ticks" alt="Ticks Countdown" />

<img src="https://countdown.simpleimg.io/?date=2026-01-01&kind=basic" alt="Basic Countdown" />

• English (en)
• Spanish (es)
• French (fr)
• German (de)
• Portuguese (pt)
• Chinese (zh)
• Japanese (ja)
• Korean (ko)
• Russian (ru)
• And many more!

1. Clone the repository:

git clone https://github.com/yourusername/wasm-countdown-gif
cd wasm-countdown-gif

2. Install dependencies:

go mod download
npm install

3. Build the WebAssembly:

GOOS=js GOARCH=wasm go build -o main.wasm

4. Deploy to Cloudflare Workers:

wrangler publish

• main.go: Core Go code compiled to WebAssembly
• worker.js: Cloudflare Worker entry point
• fonts/: Embedded font files
• Built with:
  • Go's image package for GIF generation
  • gg library for graphics
  • WebAssembly for browser execution
  • Cloudflare Workers for hosting and caching

<img src="https://countdown.simpleimg.io/?date=2026-01-01" alt="Countdown" />

<img src="https://countdown.simpleimg.io/?date=2026-01-01&kind=rounded-dots&color=00ff00&background=333333&frames=30&lang=es" alt="Countdown" />

• fogleman/gg for graphics generation
• golang/freetype for font rendering
• Cloudflare Workers for hosting and edge computing

Give a ⭐️ if this project helped you!

Felipe Rohde

• Twitter: @felipe_rohde
• Github: @feliperohdee
• Email: [email protected]