libsodium.js
The sodium cryptography library compiled to WebAssembly and pure JavaScript for use in web applications and Node.js.
What is libsodium.js?
libsodium.js is a JavaScript and WebAssembly port of the libsodium cryptography library, providing a complete suite of cryptographic primitives for web and Node.js applications. It solves the problem of implementing secure cryptography in JavaScript environments by offering battle-tested algorithms with a simple API. The library includes authenticated encryption, hashing, signatures, password hashing, and more, all compiled to run efficiently in browsers and servers.
Web developers and Node.js developers who need to implement cryptography in their applications, including those building end-to-end encrypted web apps, secure authentication systems, or privacy-focused tools.
Developers choose libsodium.js because it provides the reliability and security of the widely-audited libsodium C library in a JavaScript-friendly package, with automatic WebAssembly fallbacks for performance and comprehensive browser compatibility. Its identical API to the C library reduces learning curve and ensures consistent behavior across platforms.
Overview
libsodium compiled to Webassembly and pure JavaScript, with convenient wrappers.
Use Cases
Best For
- Implementing end-to-end encryption in web applications
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