$ wasmtime_

Crate

Name: wasmtime New version: 40.0.0 Release date: 2025-12-22T16:06:10.910633Z

Crate readme

Short description A standalone runtime for WebAssembly.

Long description Wasmtime is a standalone runtime for executing WebAssembly code. It is built on the optimizing Cranelift code generator for fast performance, emphasizing security and correctness through Rust's safety guarantees. Wasmtime supports a variety of languages through embeddings and implements a rich set of APIs via the WASI standard, making it suitable for various environments and use cases.

Features • Fast • Secure • Configurable • WASI • Standards Compliant

Code Examples Installation

 curl https://wasmtime.dev/install.sh -sSf | bash

Basic usage

 rustup target add wasm32-wasip2
rustc hello.rs --target wasm32-wasip2
wasmtime hello.wasm

Links • https://webassembly.org/ • https://bytecodealliance.org/ • https://github.com/bytecodealliance/wasmtime • https://docs.rs/wasmtime • https://wasmtime.dev/

https://docs.rs/wasmtime https://api.github.com/repos/bytecodealliance/wasmtime/releases/272252914

Release info

Release version:

Release description

Code Examples