Flash Video file — file signature 46 4C 56 at offset 0

For Flash Video file, hex signature is 46 4C 56; offset is 0; extension is flv, verified against its source on 2026-09-22.

Hex signature: 46 4C 56 verified
Offset: 0 verified
Extension: flv verified
Format: Flash Video file verified

Sourceen.wikipedia.org

Verified2026-09-22

Review by2027-09-22

DatasetFile format magic numbers

What the source says

46 4C 56 | FLV | 0 | flv | Flash Video file |

— 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.