In addition to the embedding API which allows you to use Wasmtime as a library, the Wasmtime project also provides a wasmtime CLI tool to conveniently execute WebAssembly modules from the command line.

This section will provide a guide to the wasmtime CLI and major functionality that it contains. In short, however, you can execute a WebAssembly file (actually doing work as part of the start function) like so:

wasmtime foo.wasm

Or similarly if you want to invoke a "start" function, such as with WASI modules, you can execute

wasmtime --invoke _start foo.wasm

For more information be sure to check out how to install the CLI, the list of options you can pass, and how to enable logging.