wasm-gc is a command-line tool that removes unused code in WASM files. It can be installed with Cargo:
cargo install wasm-gc
Binaryen comes with a command-line tool called
wasm-opt that optimizes WASM file sizes. Binaryen can be installed with most system package managers.
WABT comes with a command-line tool
wasm2wat that can be used to create textual representations of WASM files, which can be useful for debugging. WABT can be installed with most system package managers.