react-native-fetch-blob
A React Native library for efficient file system access and network data transfer with Blob support.
What is react-native-fetch-blob?
React Native Fetch Blob is a library that provides enhanced file system access and network data transfer capabilities for React Native apps. It solves the lack of native Blob support in React Native, allowing developers to handle binary data efficiently, upload/download files directly from storage, and use file streams to manage large files without memory issues.
React Native developers who need to work with file systems, handle binary data transfers, or integrate libraries that rely on Blob and XMLHttpRequest APIs.
Developers choose React Native Fetch Blob for its performance advantages—direct native file operations reduce JavaScript bridging overhead—and its comprehensive feature set, including file streaming, multipart uploads, and Android Download Manager integration, which are not fully covered by the standard React Native networking APIs.
Overview
A project committed to making file access and data transfer easier, efficient for React Native developers.
Use Cases
Best For
- Downloading large files directly to device storage in React Native apps
- Uploading binary files (like images or videos) to servers with progress tracking
- Handling file system operations such as reading, writing, and streaming files
- Using browser-based libraries (e.g., Firebase JS SDK) that require Blob support in React Native
- Implementing multipart form data uploads with files and metadata
- Leveraging Android's Download Manager for background downloads and notifications
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