Adobe Flash .swf — file signature 43 57 53 at offset 0

For Adobe Flash .swf, hex signature is 43 57 53; offset is 0; extension is swf, verified against its source on 2026-09-22.

Hex signature: 43 57 53 verified
Offset: 0 verified
Extension: swf verified
Format: Adobe Flash .swf verified

Sourceen.wikipedia.org

Verified2026-09-22

Review by2027-09-22

DatasetFile format magic numbers

What the source says

43 57 53 | CWS | 0 | swf | Adobe Flash .swf |

— 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.