Subler 是一款Mac上视频字幕添加和转换工具，除了能够帮助我们将mkv/mov格式的视频文件转换成MP4格式的视频文件之外，还能够在进行视频转换的时候给视频添加tx3g字幕，生成的MP4文件兼容所有的苹果设备(iPod, AppleTV, iPhone, QuickTime) ，此外还支持metadata编辑，很不错！
软件介绍
Subler is a simple MP4 file-format muxer and tagger. Quickly remux your MKV or MOV files to MP4, or add new subtitles tracks to your MP4 file.
Features
Creation of .tx3g subtitles tracks, compatible with all Apple's devices (iPod, AppleTV, iPhone, QuickTime)
Mux video, audio, chapters, subtitles, and closed-captions tracks from MOV, MP4, and MKV
Raw formats: H.264 Elementary streams (.h264, .264), AAC (.aac), AC3 (.ac3), Scenarist (.scc)
iTunes metadata editing
软件截图
