Dvdcss
~/.dvdcss stores libdvdcss DVD CSS key cache data used by DVD playback software to speed access to encrypted video discs.
What is Dvdcss?
~/.dvdcss is a user-level cache folder created by libdvdcss, a shared DVD decryption library used by some DVD playback and ripping tools on macOS and other platforms. The folder stores cached CSS key data for DVDs that have already been accessed, which helps compatible software open encrypted discs more quickly on later uses. Users typically encounter it when cleaning their Home folder or after installing media tools that work with older video DVDs. It is not a document folder and it does not normally contain app settings or everyday personal files. If you remove it, compatible apps can recreate it later when you use an encrypted DVD again.
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Safety overview
Status: Mostly safe
This folder is generally safe to remove if you do not need its cached DVD CSS data. Deleting it may slow the next access to previously used encrypted DVDs until the cache is rebuilt, but it should not remove your videos or uninstall your media app. Keep it if you still use DVD playback or ripping tools that rely on libdvdcss.
Recommendation: Remove ~/.dvdcss if you no longer use software that reads encrypted video DVDs or if you want to clear old cache data. Keep it if you still play or extract content from DVDs, since compatible tools may recreate the folder and work a little faster with the cache present.
File path
~/.dvdcss
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