.wasm WASM binary module
Other formats
| MIME type | application/wasm |
|---|---|
| Description | WASM binary module |
| Acronym | WASM – Web Assembly |
| Category | Other formats |
| Signature (magic bytes) | 00 61 73 6D (.asm) |
Frequently asked questions
What is a .wasm file?
A .wasm file is a “WASM binary module” (MIME type application/wasm). WASM stands for Web Assembly.
How do I open a .wasm file?
With the program that created the file. On Linux, xdg-mime query default with the MIME type shows the default application, and xdg-open opens the file with it.
How can you tell a genuine .wasm file?
By the bytes at the start of the file, the signature (magic bytes): 00 61 73 6D (.asm). On Linux and macOS, file --mime-type example.wasm checks the real type regardless of the extension.
Which MIME type belongs to .wasm?
The MIME type is application/wasm. In the Apache web server: AddType application/wasm .wasm; in nginx: types { application/wasm wasm; }.