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Nuke – Image loading system

Nuke provides an efficient way to download and display images in your app. It’s easy to learn and use. Its architecture enables many powerful features while offering virtually unlimited possibilities for customization.

The framework is lean and compiles in under 2 seconds¹. Nuke has an automated test suite 2x the size of the codebase itself, ensuring excellent reliability. Every feature is carefully designed and optimized for performance.

Nuke features

  • Fast LRU memory and disk cache
  • SwiftUI
  • Smart background decompression
  • Image processing
  • Resumable downloads
  • Intelligent deduplication
  • Request prioritization
  • Prefetching
  • Rate limiting
  • Progressive JPEG, HEIF, WebP, SVG, GIF
  • Alamofire
  • Combine
  • Async/Await

Nuke documentation

Nuke is easy to learn and use thanks to documentation generated using DocC: NukeNukeUINukeExtensions. Make sure to also check out Nuke Demo.

Nuke extensions

The image pipeline is easy to customize and extend. Check out the following first-class extensions and packages built by the community.

Name Description
Pulse A network logging framework with easy integration
Alamofire Plugin Replace networking layer with Alamofire
NukeWebP CommunityWebP support, built by Maxim Kolesnik
WebP Plugin CommunityWebP support, built by Ryo Kosuge
AVIF Plugin CommunityAVIF support, built by Denis
RxNuke RxSwift extensions for Nuke with examples


NukeUI uses Gifu to display GIFs. The library is embedded in the NukeUI source code and is kept private.

Nuke on GitHub:
Platform: iOS
⭐️: 7.1K