Submarine Player

Freemium

An MacOS app to generate subtitles instantly while watching any video.

Submarine Player is a macOS application that generates and translates subtitles instantly during video playback. It features universal format support for MP4, MKV, and AVI, alongside dual subtitle display and batch export capabilities in SRT, VTT, and CSV formats. The tool is designed for language learners and viewers of local video content who require automated transcription across 19 supported languages (verified: 2026-01-29).

Jan 29, 2026
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Pricing: Freemium
Last verified: Jan 29, 2026
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Key facts

Pricing

Freemium

Use cases

Language learners watching foreign films with dual subtitles to compare original and translated text side-by-side (verified: 2026-01-29), Content consumers viewing local video files that lack pre-existing subtitle tracks or external SRT files (verified: 2026-01-29), Video editors needing to batch process multiple files and export generated subtitles in SRT, VTT, or CSV formats (verified: 2026-01-29)

Strengths

The application supports native playback for a wide range of universal video formats including MP4, MKV, and AVI (verified: 2026-01-29), Users can choose between multiple transcription models to prioritize either high performance speed or high accuracy results (verified: 2026-01-29), The software provides transcription and translation capabilities across 19 different languages for global content accessibility (verified: 2026-01-29)

Limitations

The application requires a Mac computer with Apple Silicon hardware and macOS 15 or newer to function (verified: 2026-01-29), The free version of the software limits users to seven subtitle generations per week and the fastest transcription model (verified: 2026-01-29)

Last verified

Jan 29, 2026

Strengths

  • The application supports native playback for a wide range of universal video formats including MP4, MKV, and AVI (verified: 2026-01-29)
  • Users can choose between multiple transcription models to prioritize either high performance speed or high accuracy results (verified: 2026-01-29)
  • The software provides transcription and translation capabilities across 19 different languages for global content accessibility (verified: 2026-01-29)

Limitations

  • The application requires a Mac computer with Apple Silicon hardware and macOS 15 or newer to function (verified: 2026-01-29)
  • The free version of the software limits users to seven subtitle generations per week and the fastest transcription model (verified: 2026-01-29)

FAQ

What are the specific hardware and operating system requirements for running Submarine Player on a computer?

Submarine Player is designed specifically for the macOS ecosystem and requires a Mac equipped with Apple Silicon hardware. Additionally, the computer must be running macOS 15 or a more recent version of the operating system to ensure compatibility with the subtitle generation features (verified: 2026-01-29).

In what file formats can I export the subtitles generated by the application for external use?

The application includes a batch processing and export feature that allows users to save their generated subtitles in SRT, VTT, and CSV formats. This functionality enables the use of these subtitle files in other video players or editing software after the transcription process is complete (verified: 2026-01-29).

Does the software allow for viewing subtitles in more than one language at the same time during playback?

Yes, the application features a dual subtitles mode that displays both the original and translated subtitles side-by-side. This feature is specifically intended to assist users with language learning by providing immediate context in two different languages while they watch their favorite video content (verified: 2026-01-29).