gildas-lormeau/zip.js
Zip.js
zip.js is a JavaScript library designed for creating, reading, and extracting ZIP archives directly within a web browser. It provides a comprehensive toolkit for managing compressed files and encrypted data storage entirely on the client side, eliminating the need for server-side backends or external dependencies.
The library distinguishes itself by utilizing the Web Streams API and multi-core processing to handle large datasets efficiently. By offloading heavy compression and decompression tasks to background worker threads, it ensures that the browser interface remains responsive during intensive operations. Its modular architecture allows for swappable codecs, supporting various archive formats and industry-standard encryption methods for secure data management.
Beyond basic compression and extraction, the library includes utilities for organizing archive contents, such as adding, renaming, or deleting files and directories. It supports incremental data processing and concurrent task execution, enabling the handling of massive files and multi-part archives without exceeding browser memory limits. The project is distributed as a library for integration into web applications.
Features
- Archive Creation and Extraction - Provides high-performance compression and extraction of large datasets with support for multi-core processing, split archives, and encrypted content directly in the browser.
- Web Streams API - Processes archive data in small chunks to handle massive files without exceeding the memory limits of the browser.
- Browser-Side Archive Packagers - Creates and extracts compressed files directly within a web browser without needing a server-side backend or external software.
- Web-Worker Threading - Distributes heavy compression and decompression tasks across background threads to keep the main user interface thread responsive.
- Zip Archive Management - Provides a library for creating, reading, and extracting ZIP files in the browser using web streams and multi-core processing.
- Archive Structure Managers - Allows users to manage files and directories within compressed packages by creating, renaming, or deleting items through a structured interface.
- Concurrent Data Processing - Utilizes background worker pools and asynchronous operations to execute multiple read and write tasks simultaneously, maintaining application responsiveness during heavy processing.
- Archive Importers - Enables loading existing compressed files for modification and saving updated versions to the local file system for storage or distribution.
- Client-Side Compression - Compresses and decompresses large datasets locally in the browser to reduce storage size and simplify data transfer.
- Encrypted Archives - Secures sensitive files within compressed archives using industry-standard encryption methods to ensure privacy and prevent unauthorized access.
- Archive File Insertion - Organizes and modifies the contents of compressed files by adding, renaming, or deleting items directly within a web application.
- Stream-Based Archive Handling - Supports incremental processing of compressed content using standard data streams to handle large files efficiently without loading the entire archive into memory.
- Incremental Stream Processing - Processes large data archives incrementally to maintain memory efficiency during compression and decompression tasks.
- Encrypted Archives - Provides built-in support for creating and extracting password-protected, encrypted ZIP archives directly within the browser.
- Client-Side Document Toolkits - Provides a comprehensive toolkit for managing encrypted and multi-part archives directly within web applications without requiring server-side dependencies.
- High Performance - Utilizes background worker threads and web streams to handle massive files without freezing the user interface or exceeding memory.
- Modular Architectures - Separates compression and encryption algorithms into swappable components to allow for flexible support of various archive formats and security standards.
