Welcome to 4KFilmDb
A precision platform for 4K enthusiasts who care about picture accuracy, audio fidelity and platform transparency. Built by a display calibrator, for people who take their home cinema seriously.
What We Offer
UHD Reference
Aggregated transfer quality scores for 4K Blu-ray discs from trusted reviewers. Know which discs are reference-grade before you buy.
Explore UHD Reference →Streaming Reference
Not where to watch, how good it looks. Real HDR measurements, bitrate data and quality verdicts across Netflix, Disney+, Prime Video and more.
Explore Streaming Reference →My Library
Track your personal 4K disc collection with transfer scores, classifications and disc-vs-stream comparisons. Your cinema, organised.
Open My Library →
Data captured and interpreted by an ISF-certified display calibrator.
Meet the Creator
Hey, I'm Thebox · a developer and ISF-certified display calibrator focused on visual accuracy and audio precision. I built 4KFilmDb from scratch to give movie lovers clean, honest data. No marketing claims, no shortcuts. Just hand-captured measurements, expert analysis and community-first transparency.
Support the Project
4KFilmDb is independently developed and maintained. Your support keeps the data current and the tools expanding.
- 🔹 Free Access: UHD Reference, Streaming Reference and My Library are free to use.
- 🔹 4KFilmDb PRO: Unlock peak brightness, average brightness, bitrate data, disc-vs-stream comparisons and more.
Prefer a one-time contribution? Support via Ko-Fi
Get in Touch
Got suggestions, bug reports or just want to say hi? Reach out anytime:
Data Disclaimer
All playback quality metrics on 4KFilmDb are independently measured through consumer equipment and observational tools. Analyses are intended for informational purposes only and do not represent the official specifications of any studio or streaming service.