That’s like having a master key but never making a copy for your security team. FindVUK is an open-source Windows tool (runs fine under Wine on Linux/macOS) that does one brilliant thing: it extracts AACS Volume Unique Keys from both MakeMKV and PowerDVD and aggregates them into a clean, shareable KEYDB.cfg.
Together, they transform physical media into a that doesn’t depend on a single player or OS. findvuk makemkv
Open MakeMKV. Insert a Blu-ray. When you open the disc, MakeMKV will decrypt it. Behind the scenes, FindVUK will detect the process and dump the VUK. That’s like having a master key but never
April 14, 2026 Reading time: 7 minutes The Problem No One Talks About You own the discs. You paid for the Blu-rays, the special editions, the TV box sets. But physical media degrades, players get discontinued, and kids (or pets) treat disc surfaces like scratch-off lottery tickets. Open MakeMKV
0xYOUR_DISC_ID = YOUR_VUK | YOUR_DISC_ID | MKBv## | YOUR_DRIVE
The solution? A proper, structured backup pipeline.
Open the KEYDB.cfg in a text editor. You should see an entry like: