Image Loading System

Serving Images Since 2015

Load images from different sources and display them in your app using simple and flexible APIs. Take advantage of the powerful image processing capabilities and a robust caching system.

The framework is lean and has an automated test suite 2x the codebase size, ensuring excellent reliability. Nuke is optimized for performance, and its advanced architecture enables virtually unlimited possibilities for customization.

Memory and Disk Cache · Image Processing & Decompression · Request Coalescing & Priority · Prefetching · Resumable Downloads · Progressive JPEG · HEIF, WebP, GIF · Animated Images · SwiftUI · Async/Await

Proxyman

Load images using ImagePipeline from the lean core Nuke module:

func loadImage() async throws {
    let imageTask = ImagePipeline.shared.imageTask(with: url)
    for await progress in imageTask.progress {
        // Update progress
    }
    imageView.image = try await imageTask.image
}

Or use the built-in UI components from NukeUI:

struct ContentView: View {
    var body: some View {
        LazyImage(url: URL(string: "https://example.com/image.jpeg"))
    }
}

The Getting Started guide is the best place to start. The demo app in this repo covers the rest: open Nuke.xcodeproj and run the NukeDemo scheme.

Nuke supports Swift Package Manager.

The package ships with four modules that you can install depending on your needs:

Nuke ships with what a coding agent needs to use its current API, and not the one it remembers.

• Skills: nuke-optimize measures and fixes slow images, and nuke-migrate upgrades an app to Nuke 14, including what the compiler can't report. In Claude Code, run the commands below. For other agents, copy the folders to .agents/skills/ in your project.

  /plugin marketplace add kean/Nuke
  /plugin install nuke@nuke
  

• Docs: llms.txt, llms-full.txt, and llms-api.txt. They're also in your project's checkout of the package, at the version you resolved.

• Debugging: launch with NUKE_DIAGNOSTICS_LOG=1 to get a line in the console for every task, or run po ImagePipeline.shared.diagnostics in the debugger. See Troubleshooting.

• Contributing: AGENTS.md has the commands and the conventions for working on Nuke itself.

The image pipeline is easy to customize and extend. Check out the following first-class extensions and packages built by the community. None of them resolves against Nuke 14 yet: the Status column has the versions each one supports.

Looking for a way to log your network requests, including image requests? Check out Pulse.

Upgrading from the previous version? Use a Migration Guide.

Nuke 14 is in development on main and its requirements aren't final. The latest release is Nuke 13.

Nuke is available under the MIT license. See the LICENSE file for more info.