Does your browser supports WebAssembly?
Does your browser support WebAssembly? Check WebAssembly support and features like SIMD, threads and more.
Does your browser supports WebAssembly? launched on May 8, 2020 with 11 votes, #1,118 of 4,813 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 6 years on.
In plain words
This tool checks whether a user's web browser supports WebAssembly, the binary instruction format that runs near-native speed on the web. It is designed for developers and users who need to verify browser compatibility before using WebAssembly-based applications. The checker provides a straightforward way to test if a browser has this capability enabled.
written from the facts on this page · September 2026
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