Stable

M4VStudio

Inspect, tag, chapter, subtitle, and remux MP4-family media with ffprobe, FFmpeg, and TagLib#.

  • C#
  • .NET 8
  • WinUI 3
  • FFmpeg
  • FFprobe
  • TagLib#

Overview

M4V Studio is a WinUI 3 utility for MP4, M4V, and MOV workflows: stream inspection, iTunes-style metadata and artwork, chapter editing, subtitle management, and lossless remux with an optional job queue for batch-style tasks.

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. UI screenshots are pending capture for the site catalog.

Links