WABT(1) General Commands Manual WABT(1)

wat2wasm
translate from WebAssembly text format to the WebAssembly binary format

wat2wasm [options] file

wat2wasm translates from WebAssembly text format to the WebAssembly binary format.

The options are as follows:

, --verbose
Use multiple times for more info
--help
Print a help message
--debug-parser
Turn on debugging the parser of wat files
, --dump-module
Print a hexdump of the module to stdout
--enable-exceptions
Experimental exception handling
--disable-mutable-globals
Import/export mutable globals
--enable-saturating-float-to-int
Saturating float-to-int operators
--enable-sign-extension
Sign-extension operators
--disable-simd
SIMD support
--enable-threads
Threading support
, --output=FILE
output wasm binary file
, --relocatable
Create a relocatable wasm binary (suitable for linking with e.g. lld)
--no-canonicalize-leb128s
Write all LEB128 sizes as 5-bytes instead of their minimal size
--debug-names
Write debug names to the generated binary file
--no-check
Don't check for invalid modules

Parse test.wat and write to .wasm binary file with the same name

$ wat2wasm test.wat

Parse test.wat and write to binary file test.wasm

$ wat2wasm test.wat -o test.wasm

Parse spec-test.wast, and write verbose output to stdout (including the meaning of every byte)

$ wat2wasm spec-test.wast -v

wasm-interp(1), wasm-objdump(1), wasm-stats(1), wasm-strip(1), wasm-validate(1), wasm2c(1), wasm2wat(1), wast2json(1), wat-desugar(1), spectest-interp(1)

If you find a bug, please report it at
https://github.com/WebAssembly/wabt/issues.
October 7, 2021 Debian