System Cache Desktop Pictures
System Cache Desktop Pictures stores cached desktop image data that macOS uses to load wallpaper and related desktop backgrounds more efficiently.
What is System Cache Desktop Pictures?
System Cache Desktop Pictures is a macOS cache folder used for desktop background images. It stores temporary data related to wallpapers so the system can display desktop pictures more quickly and avoid recreating the same data every time you log in or change spaces. Users most often encounter this folder while reviewing storage usage or cleaning files in /Library/Caches. Its contents are not documents you normally open or manage directly, and the folder is part of the operating system’s routine housekeeping for desktop appearance. If the cache is removed, macOS can recreate it later as needed while rebuilding the cached desktop picture data.
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Safety overview
Status: Mostly safe
This folder contains temporary system cache data, not the original wallpaper files themselves. Deleting it may cause macOS to rebuild desktop picture caches, so wallpapers might reload more slowly at first or briefly reset until the cache is recreated. Avoid removing it repeatedly during troubleshooting, and do not delete nearby system folders unless you know exactly what they do.
Recommendation: You can leave this folder alone during normal use. If you are freeing space or troubleshooting wallpaper display issues, removing its contents is usually optional and macOS can recreate the cache afterward. Restart or sign out and back in if the desktop background does not refresh right away.
File path
/Library/Caches/Desktop Pictures
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