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What is it
A compiled binary format that runs in web browsers at near-native speed. WebAssembly (Wasm) lets developers run code written in C, C++, Rust, and other languages directly in the browser. Used for games, video editing, CAD tools, and performance-critical web applications.
Technical details
Safety
What opens it
Any modern browser (executes automatically)
Wasmtime
FAQ
What is WebAssembly used for?
WebAssembly runs compiled code in browsers at near-native speed. It powers things like Figma, Google Earth, Photoshop for web, video editors, and tools that process files locally — like fwip.
Related formats