A TypeScript library for reading, writing, and manipulating GIF images

• 🎨 Complete GIF Support: Full support for GIF87a and GIF89a specifications
• 🖼️ Frame Management: Create and manipulate multi-frame animated GIFs
• 🎯 Precise Control: Fine-grained control over frame delays, disposal methods, and transparency
• 🌈 Color Tables: Support for both global and local color palettes
• 🔄 Animation: Full control over animation loops and timing
• 💪 Typed: Written in TypeScript with full type safety
• ⚡ Efficient: Optimized for performance with minimal memory footprint
• 🧰 Simple API: Easy-to-use interface for both basic and advanced GIF operations

npm install ts-gif
# bun i ts-gif

import { Reader, Writer } from 'ts-gif'

// Reading a GIF
const reader = new Reader(buffer)
console.log(`Dimensions: ${reader.width}x${reader.height}`)
console.log(`Number of frames: ${reader.numFrames()}`)

// Writing a GIF
const writer = new Writer(buffer, width, height, {
  palette: globalPalette,
  loop: 0 // 0 = loop forever
})

// Add frames
writer.addFrame(0, 0, width, height, pixelData, {
  delay: 100, // 100ms delay
  disposal: 2, // Clear frame before next
  transparent: null
})

// Finalize the GIF
writer.end()

bun test

Please see our releases page for more information on what has changed recently.

Please see CONTRIBUTING for details.

For help, discussion about best practices, or any other conversation that would benefit from being searchable:

Discussions on GitHub

For casual chit-chat with others using this package:

Join the Stacks Discord Server

“Software that is free, but hopes for a postcard.” We love receiving postcards from around the world showing where ts-gif is being used! We showcase them on our website too.

Our address: Stacks.js, 12665 Village Ln #2306, Playa Vista, CA 90094, United States 🌎

Thanks to Dean McNamee for the original omggif library.

We would like to extend our thanks to the following sponsors for funding Stacks development. If you are interested in becoming a sponsor, please reach out to us.

• JetBrains
• The Solana Foundation

The MIT License (MIT). Please see LICENSE for more information.

Made with 💙