If you are serious about backing up your Blu-ray or UHD (4K) disc collection, you have likely heard two names: MakeMKV and KEYDB.cfg .
Bookmark the KEYDB thread, set up your folder correctly, and happy archiving. Have a tip for extracting keys faster? Found a broken link to the KEYDB file? Let us know in the comments below (or on the MakeMKV forums). makemkv keydb
MakeMKV is the industry standard for converting DVDs and Blu-rays into MKV files without losing quality. However, when it comes to Ultra HD (4K) Blu-rays, a frustrating error often appears: “The volume key is unknown for this disc.” If you are serious about backing up your
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