4032.mkv.mp4 — Fast

Robust presets, free, open-source. Cons: Always re-encodes, which takes time and can slightly lower quality. [1, 2] FFmpeg Lossless Repacking

: Rename the file to a standard naming convention (e.g., ShowName.S01E01.mp4 ) to trigger the TheTVDb integration properly rather than relying on manual XML overrides. [6] 2. MKV to MP4: The Conversion Process If "4032" refers to a 4K video ( 4032.mkv.mp4

: While Infuse is highly praised for its interface and broad format support (HDR10, Dolby Vision), its manual metadata override system can be finicky with non-standard filenames. [7] Robust presets, free, open-source

Can "remux" (change the container from MKV to MP4) without re-encoding video, preserving 100% quality instantly. Cons: Command-line only. [8, 16] MakeMKV open-source. Cons: Always re-encodes