A 4K Remux is a 1:1 bit-for-bit copy of the video and audio from a commercial 4K Blu-ray. No compression has been applied beyond what was already on the disc.
| Format | Video Quality | File Size | Audio Quality | Typical Use | | :--- | :--- | :--- | :--- | :--- | | | Perfect (lossless) | 50GB – 90GB | Lossless (TrueHD, DTS-HD MA) | Home theater enthusiasts | | Web-DL | Good (compressed) | 10GB – 25GB | Lossy (Dolby Digital Plus) | Streaming services like Netflix | | 4K Re-encode | Very Good (lossy) | 20GB – 40GB | Lossless or lossy | Balance of quality & size | | 720p/1080p | Poor to Fair | 1GB – 8GB | Lossy | Mobile devices, low bandwidth | 4k Remux Download