Stable
M4VStudio
Native Windows app for inspecting, tagging, chaptering, subtitle handling, and remuxing MP4-family video files.
Overview
M4VStudio provides a focused native interface for working with MP4, M4V, and MOV media using FFprobe, FFmpeg, and TagLib#. It is designed for practical video-library workflows such as metadata review, tagging, chapters, subtitles, and safe remuxing without relying on command-line steps.
Key features
- Embedded video, audio, and subtitle stream inspection
- Stream-copy remux to MP4, M4V, and MOV
- MP4-style tags and cover art read/write
- Chapter editing with ffmpeg stream copy
- Subtitle conversion including bitmap OCR paths
- Job queue for remux, metadata, and chapter tasks
Technical details
FFmpeg handles probe, remux, chapters, and OCR frame extraction. TagLibSharp handles MP4-style metadata. Self-contained Windows App SDK deployment for unpackaged builds.