WebAssembly binary format — file signature 00 61 73 6D at offset 0

For WebAssembly binary format, hex signature is 00 61 73 6D; offset is 0; extension is wasm, verified against its source on 2026-09-22.

Hex signature: 00 61 73 6D verified
Offset: 0 verified
Extension: wasm verified
Format: WebAssembly binary format verified

Sourceen.wikipedia.org

Verified2026-09-22

Review by2027-09-22

DatasetFile format magic numbers

What the source says

00 61 73 6D | ␀asm | 0 | wasm | WebAssembly binary format [67] |

— en.wikipedia.org, retrieved 2026-09-22

Source

en.wikipedia.orghttps://en.wikipedia.org/wiki/List_of_file_signatures

Last verified against source: 2026-09-22. Due for re-check by 2027-09-22. This page as Markdown · OKF bundle · full dataset as JSON.