This page is designed to help you find out whether Subti.app is good and if it is the right choice for you.
Subti is a macOS companion for learning languages from films and TV shows in VLC. Click subtitle words or select phrases to get contextual translations, save useful vocabulary, review it with spaced repetition, and export it to Anki. Subti is local-first, requires no account, and supports local translation backends
Listed in
Clickable Subtitles
Option-click words or select phrases directly from VLC subtitles
Contextual Translation
Translates words and expressions using the surrounding subtitle context
Vocabulary Review
History, personal Dictionary, and spaced repetition review
Anki export
Export saved vocabulary to Anki with context
Local-first
Supports local translation backends and requires no account
VLC integration
Works as a macOS companion overlay for VLC 3.0+
Privacy
No behavioral telemetry
System Requirements
macOS 14+
Subti makes VLC subtitles interactive on macOS. You can click individual words or select whole phrases, get contextual translations without leaving the film, save useful vocabulary, review it with spaced repetition, and export it to Anki. It is local-first, requires no account, and can work with local translation models
Subti is focused on a simple workflow: watch, click, understand, save, and review. It works directly with VLC and local video files instead of requiring a browser-based streaming service. It also supports phrase-level contextual translation, local translation backends, spaced repetition, and Anki export in one macOS app
Language learners who watch films and TV shows with subtitles, especially intermediate and advanced learners who want to learn vocabulary and expressions from real dialogue without constantly switching between the video player, translator, notes, and flashcard apps
Subti started from a personal frustration with learning languages through films. Looking up an unfamiliar word usually meant pausing VLC, opening a translator, copying the subtitle, saving the word somewhere, and then returning to the film. Subti was built to keep that entire workflow inside the viewing experience
Subti is a native macOS application built in Swift. It integrates with VLC through a transparent interactive overlay and supports local language models and Ollama for translation. The web and licensing infrastructure uses Cloudflare Workers, D1, R2, Paddle, and Sparkle for updates
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