docs/doc/wasm2wat.1.html
| WABT(1) | General Commands Manual | WABT(1) |
wasm2wat — translate from the binary format to the text format
| wasm2wat | [options] file |
wasm2wat Read a file in the WebAssembly binary format, and convert it to the WebAssembly text format.
The options are as follows:
--helpPrint a help message--versionPrint version information-v, --verboseUse multiple times for more info-o, --output=FILENAMEOutput file for the generated wast file, by default use stdout-f, --fold-exprsWrite folded expressions where possible--enable-exceptionsEnable Experimental exception handling--disable-mutable-globalsDisable Import/export mutable globals--disable-saturating-float-to-intDisable Saturating float-to-int operators--disable-sign-extensionDisable Sign-extension operators--disable-simdDisable SIMD support--enable-threadsEnable Threading support--enable-function-referencesEnable Typed function references--disable-multi-valueDisable Multi-value--enable-tail-callEnable Tail-call support--disable-bulk-memoryDisable Bulk-memory operations--disable-reference-typesDisable Reference types (externref)--enable-annotationsEnable Custom annotation syntax--enable-code-metadataEnable Code metadata--enable-gcEnable Garbage collection--enable-memory64Enable 64-bit memory--enable-multi-memoryEnable Multi-memory--enable-extended-constEnable Extended constant expressions--enable-allEnable all features--inline-exportsWrite all exports inline--inline-importsWrite all imports inline--no-debug-namesIgnore debug names in the binary file--ignore-custom-section-errorsIgnore errors in custom sections--generate-namesGive auto-generated names to non-named functions, types, etc.--no-checkDon't check for invalid modules
Parse binary file test.wasm and write text file test.wast
$ wasm2wat test.wasm -o test.wat
Parse test.wasm, write test.wat, but ignore the debug names, if any
$ wasm2wat test.wasm --no-debug-names -o test.wat
wasm-decompile(1), wasm-interp(1), wasm-objdump(1), wasm-stats(1), wasm-strip(1), wasm-validate(1), wasm2c(1), wast2json(1), wat-desugar(1), wat2wasm(1), spectest-interp(1)
If you find a bug, please report it at
https://github.com/WebAssembly/wabt/issues.
| September 23, 2025 | Debian |