iSubtitle - Soft subtitled movies for your Apple gear

Inject subtitle tracks, chapter markers and metadata into your movies and TV-shows. The perfect companion app for your iTunes/TV app library and all your Apple devices, like the iPhone, iPad, iPod, Apple TV and Mac. iSubtitle takes full advantage of Apple's soft subtitle technology. The subtitle tracks are resolution independent and rendered in real-time as you watch the movie. The export and metadata tagging is fully automated so you don't need to tweak a lot of parameters to get your movie into iTunes or TV with beautiful tagging and artwork.
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Made for macOS. Requires macOS 10.15 Catalina or later.
See what's new in this version.

How to use

Learn how to use iSubtitle to inject subtitle tracks, chapters and metadata into your movies which you can later watch on all your Apple devices.

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Add subtitles the easy way

Add subtitles from a variety of subtitle formats like .srt, .ass/.ssa, .stl, .vtt or use my free little Submarine app to find subtitles online. Preview the subtitles instantly before you export.


iSubtitle will automatically search for metadata and tag your movie for iTunes or the TV app in macOS Catalina. You can also of course manually edit all the fields. Beautiful artwork will also be fetched in the process.
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Perfect iTunes/TV App integration

iTunes (or the TV app if you're on macOS Catalina or Big Sur) is the media hub that syncs with all your Apple devices… and iSubtitle is it’s best friend. It supports all of the features in modern MPEG-4 media, like soft subtitles, metadata, artwork and chapters. It’s just the easiest way to get your media into iTunes/TV.

Smart export

With FFmpeg export built right in iSubtitle is a real power-horse. It will analyze your source movie to make sure the export process is as fast as possible. When no re-encoding is needed iSubtitle will simple pass through tracks that are already compatible with your devices and it saves a lot of time. And you will know ahead which devices are supported.
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iSubtitle exports your movie with soft, non-destructive, subtitle tracks compatible with all Apple devices like the Mac, iPhone, iPad and Apple TV. It supports retina displays and looks great on any device.


Full iTunes/TV app metadata editor and automatic metadata fetching for both Movies and TV-shows. Your videos will look stunning in iTunes or on your iDevices like the iPhone, iPad, iPod or Apple TV.


Add chapters to your Movies and TV-shows to easily navigate between scenes of interest.

No plug-ins needed

Doesn’t depend on QuickTime or any other system extension or plug-in. It just works. Supports almost any video format you can imagine.

Fast exports

iSubtitle will export your movie as quickly as possible using the open source video encoder FFmpeg. It’s fast and reliable. Smart export will only re-encode if needed. Saves you a lot of time!

Batch export

iSubtitle even includes a batch exporter that will queue any movie you submit. No need to wait while another movie is exporting.

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