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Glossary

What is WebAssembly (Wasm)?

WebAssembly is a portable binary format that runs near-native-speed code in the browser and beyond, letting languages like Rust, Go, and C target the web and the edge.

Wasm is a fast, sandboxed, language-agnostic compile target. In the browser it powers heavy in-page tools; outside it, Wasm runtimes execute the same modules server-side, in plugin systems, and at the edge — even for local model inference.

Open-source Wasm runtimes and toolchains have pushed it well past its browser origins into a general portable execution layer.

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▌ WebAssembly (Wasm) — FAQ

What is WebAssembly (Wasm)?
WebAssembly is a portable binary format that runs near-native-speed code in the browser and beyond, letting languages like Rust, Go, and C target the web and the edge. Wasm is a fast, sandboxed, language-agnostic compile target. In the browser it powers heavy in-page tools; outside it, Wasm runtimes execute the same modules server-side, in plugin systems, and at the edge — even for local model inference.