FastImage is a performant React Native image component that replaces the built-in Image component.
React Native's default Image component relies on browser-like caching behavior, which often results in flickering, cache misses, and poor performance both when loading from cache and in general. FastImage solves these problems by wrapping SDWebImage on iOS and Glide on Android, leveraging their mature image loading and caching capabilities. The tool aggressively caches images, supports authorization headers, allows prioritization of image loads, and enables preloading. It also handles GIF rendering and border radius styling.
FastImage suits projects where image loading performance and reliability matter significantly, particularly apps with image-heavy interfaces or complex caching requirements. It requires React Native 0.60.0 or higher. Developers using Glide with a custom AppGlideModule need to review specific integration documentation, and those using Proguard must add configuration lines to their Android build setup. The tool is a direct replacement for React Native's Image component, offering the same core interface while improving the underlying loading behavior.
The project maintains active engagement with its codebase, regularly addressing issues and accepting contributions. Development shows consistent attention to both iOS and Android implementations, with particular care taken for edge cases like debug mode behavior on Android and Proguard compatibility. The maintainers respond to integration questions and provide detailed documentation for non-standard setups.
