WebAssembly
WebAssembly (WASM) is a binary instruction format that enables near-native performance for web applications, allowing developers to run code written in multiple languages (Rust, C++, C#, etc.) directly in the browser.
What is WebAssembly?
WebAssembly is a portable, size- and load-time-efficient format suitable for execution in a web browser. It works alongside JavaScript and complements existing web standards, enabling developers to deploy web applications with performance characteristics approaching that of native code.
Unlike JavaScript, which is a high-level interpreted language, WebAssembly is a low-level binary format that allows for efficient compilation from various programming languages. This makes it ideal for performance-critical applications like 3D rendering, audio processing, and real-time simulations.
How It Works
Compilation Process
Languages like Rust, C++, and C# are compiled to WebAssembly using tools like Emscripten or WASI SDK. This creates a binary that can be interpreted by modern browsers.
Execution
WebAssembly executes within the browser's WebAssembly engine at near-native speed, with a sandboxed execution context for security and isolation.
Key Benefits
High Performance
WebAssembly executes at near-native speed, making it ideal for compute-intensive tasks.
Language Flexibility
Develop in Rust, C++, C#, and more—compile directly to the web with no performance penalty.
Secure & Portable
Runs in a sandboxed environment with no risk of accessing the host system, ensuring security across platforms.
Real-World Use Cases
Gaming
Run graphically intense games in browsers without requiring plugins or downloads.
Office Applications
Create powerful document editing tools with rich formatting and collaborative features.
Machine Learning
Deploy on-device AI models at scale without compromising performance or privacy.
Ready to Build With WebAssembly?
Whether you're optimizing performance-critical apps or building complex systems, WebAssembly gives you the power and flexibility to innovate on the web.