wasm-pack

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

Last updated 14 September 2026

What is wasm-pack?

wasm-pack is a command-line tool for assembling and packaging Rust crates targeting WebAssembly. It bridges Rust/WASM and JavaScript, generating necessary files for npm publishing. Ensures proper Rust-to-WASM compilation setup with focus on ergonomics, performance, and correctness.

Study this in the interactive course See the whole Rust roadmap

Free resources to learn wasm-pack

Official docswasm-pack
Open sourcerustwasm/wasm-pack
ArticleWriting & Compiling WASM in Rust
ArticleCompiling from Rust to WebAssembly

wasm-pack: common questions

Can I learn wasm-pack 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 wasm-pack 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 wasm-pack tutorial for beginners?

It is lesson 109 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.