Subler 1.9.5 for Mac
Mac UtilitiesSubler, created by developer Damiano Galassi, is a focused Mac app for muxing and tagging MP4 files. Muxing means placing existing video, audio, subtitle and chapter tracks into an MP4 container without re encoding the picture, so the job is fast and quality stays untouched. It is the tool people reach for when a film in an MKV file must play nicely in the Apple TV app, complete with artwork and proper subtitles.
Key Features
- Muxes video, audio, chapters, subtitles and closed captions from MOV, MP4 and MKV into MP4
- Creates TX3G and WebVTT subtitle tracks that Apple devices and QuickTime can play
- Full iTunes style metadata editing for films and TV episodes
- Metadata lookup for movies and shows using TheMovieDB, TVDB and the iTunes Store
- Queue based workflow with presets, plus a command line tool for automation fans
How to Download
- Use the download button on this page to get the Mac app, or Download from the official site instead.
- Open the downloaded file and move Subler into your Applications folder.
- Launch Subler, drop in a video file, choose the tracks to keep and save your new MP4.
System Requirements
Subler is a native Mac app. Recent releases state a requirement of macOS 10.13 or later, and the current interface is updated for macOS 26.
FAQs
Does Subler reduce video quality?
Usually not. Muxing copies existing tracks into a new container without re encoding, so picture and sound stay untouched.
Can Subler add subtitles to a film?
Yes. It can import subtitle files and embed them as tracks that Apple devices display correctly, rather than burning text into the picture.
Is Subler free?
Yes. Subler is free and open source, developed by Damiano Galassi and contributors for anyone using a Mac.
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