WASM Validator

Frequently Asked Questions

Answers to common questions about the WebAssembly Validator Toolchain

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Frequently Asked Questions

How do I install the validator toolchain?

For CLI validator: Download the package, unzip it, and run the following: 

wget /wasm-validator-toolchain.download.html/cli-validator.zip -O validator.zip
unzip validator.zip
./validator --help

For web validator: Extract the ZIP file and run: 

cd validator-web
npm install
npm start

Can I validate both WAT and binary formats?

Yes, both formats are supported:

  • • validator validate myfile.wasm for binary
  • • Drag-and-drop WAT files in the web validator
  • • API accepts both formats as multipart/form-data

How do I generate validation reports?

Use the --output flag for CLI: 

validator report --output /path/to/report.json

Reports include:

  • Memory usage breakdown
  • WASI compliance status

What file types are supported for validation?

  • .wasm Binary WebAssembly module
  • .wat Textual WebAssembly assembly

Still Have Questions?

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