WebAssembly (WASM)

Lesson in the Rust Roadmap · Stage 20: WebAssembly (WASM)

Last updated 14 September 2026

What is WebAssembly (WASM)?

WebAssembly is a binary instruction format that runs at near-native speed in web browsers and other environments. Rust compiles excellently to WASM with tools like wasm-pack and wasm-bindgen, enabling high-performance web applications and cross-platform deployment.

Study this in the interactive course See the whole Rust roadmap

Free resources to learn WebAssembly (WASM)

Official docsEmbedding WebAssembly in your Rust Application
Official docswasm-pack
Official docswasm-bindgen
ArticleWriting & Compiling WASM in Rust
ArticleCompiling from Rust to WebAssembly

WebAssembly (WASM): common questions

Can I learn WebAssembly (WASM) in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain WebAssembly (WASM) in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this WebAssembly (WASM) tutorial for beginners?

It is lesson 108 of 122 in the free Rust roadmap, in stage 20, WebAssembly (WASM). If you are new to Rust, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.