WABT(1)

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

# NAME

`wasm-stats` — show stats for a module

# SYNOPSIS

`wasm-stats` | [options] file ...

# DESCRIPTION

`wasm-stats` Read a file in the wasm binary format, and show stats.

The options are as follows:

`--help`
  Print a help message
`--version`
  Print version information
`-v`, `--verbose`
  Use multiple times for more info
`--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
`-o`, `--output=FILENAME`
  Output file for the opcode counts, by default use stdout
`-c`, `--cutoff=N`
  Cutoff for reporting counts less than N
`-s`, `--separator=SEPARATOR`
  Separator text between element and count when reporting counts

# EXAMPLES

Parse binary file test.wasm and write opcode dist file test.dist

`$ wasm-stats test.wasm -o test.dist`

# SEE ALSO

wasm-decompile(1), wasm-interp(1), wasm-objdump(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