: Automated bots or caches often rename files with alphanumeric strings.
Where did you this file (e.g., your Downloads folder, a specific app)? xirn (8).mp4
Files with "xirn" in the name are frequently associated with: : Automated bots or caches often rename files
: Use a tool like MediaInfo to see the "encoded date," "writing application," and "source" of the video. your Downloads folder
: Some game recorders or capture cards use "xirn" as a default prefix.