: Because it uses a 128-bit UUID, the filename is globally unique, preventing overwriting when merging folders from different devices.
: These names are frequently seen when transferring files via Airdrop or extracting them from an iCloud backup rather than a manual camera roll export. 1C1152FD-E71B-4D2A-94C8-9E70E44F551A.jpeg
Since this looks like a specific file from your personal library, : Because it uses a 128-bit UUID, the
: While the name is a complex string, the .jpeg (or .jpg ) extension ensures it remains a standard compressed image compatible with almost all web and desktop viewers. A key feature of files named in this format is
A key feature of files named in this format is . When Apple devices generate these UUID filenames, they often store them in a local database (like Photos.sqlite ) to link the file to specific edits, location data, and "Live Photo" video components, even if the user changes the display name in the app.
Other notable characteristics of files with this naming convention include: