WABT(1)

WABT(1) | General Commands Manual | WABT(1)

# NAME

`wasm-decompile` — translate from the binary format to readable C-like syntax

# SYNOPSIS

`wasm-decompile` | [options] file

# DESCRIPTION

`wasm-decompile` Read a file in the WebAssembly binary format, and convert it to a decompiled text file.

The options are as follows:

`--help`
  Print a help message
`--version`
  Print version information
`-o`, `--output=FILENAME`
  Output file for the decompiled file, by default use stdout
`--enable-exceptions`
  Enable Experimental exception handling
`--disable-mutable-globals`
  Disable Import/export mutable globals
`--disable-saturating-float-to-int`
  Disable Saturating float-to-int operators
`--disable-sign-extension`
  Disable Sign-extension operators
`--disable-simd`
  Disable SIMD support
`--enable-threads`
  Enable Threading support
`--enable-function-references`
  Enable Typed function references
`--disable-multi-value`
  Disable Multi-value
`--enable-tail-call`
  Enable Tail-call support
`--disable-bulk-memory`
  Disable Bulk-memory operations
`--disable-reference-types`
  Disable Reference types (externref)
`--enable-annotations`
  Enable Custom annotation syntax
`--enable-code-metadata`
  Enable Code metadata
`--enable-gc`
  Enable Garbage collection
`--enable-memory64`
  Enable 64-bit memory
`--enable-multi-memory`
  Enable Multi-memory
`--enable-extended-const`
  Enable Extended constant expressions
`--enable-all`
  Enable all features
`--ignore-custom-section-errors`
  Ignore errors in custom sections

# EXAMPLES

Parse binary file test.wasm and write text file test.dcmp

`$ wasm-decompile test.wasm -o test.dcmp`

# SEE ALSO

wasm-interp(1), wasm-objdump(1), wasm-stats(1), wasm-strip(1), wasm-validate(1), wasm2c(1), wasm2wat(1), wast2json(1), wat-desugar(1), wat2wasm(1), spectest-interp(1)

# BUGS

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

September 23, 2025 | Debian