BaroCaption: Video Translation

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About this app

Stop switching back and forth between foreign-language videos and translation apps.

BaroCaption recognizes foreign-language audio playing in other apps, including YouTube, lectures, interviews, and news, and displays translated subtitles directly over your screen in real time.

There is no need to capture the screen or manually copy text into a translator. Just play the video, and the translated subtitles will follow automatically.

Key Features

- Display real-time translated subtitles over other apps
- Supports multiple source languages including English, Mandarin Chinese, Cantonese, Japanese, and more
- Freely adjust subtitle size, background transparency, and screen position
- Optionally display the original recognized text together with the translation
- Pause, resume, or stop translation directly from the overlay
- After translation ends, you can download translated subtitles, play them with Korean text-to-speech, or download the original-language subtitles

Recommended For

- Watching foreign-language lectures, interviews, or news without subtitles
- Anyone tired of capturing video subtitles and copying them into a translation app
- Language learners who want to view the original text and translation together

How to Use

1. Select the language actually being spoken in the video.
2. Tap Start Translation and allow the required screen capture and overlay permissions.
3. Play the video you want to watch. After a short moment, translated subtitles will appear over the screen.

New Feature: On-Screen Text Translation (2026.11)

- Translate text in real time across any app that allows screen capture, including group chats, messaging apps, games, and web pages.
- Set the translation area once, and new messages will continue to be translated automatically.
- Freely choose both the source language shown on the screen and the target translation language.
- Supports vertical Japanese text, making it suitable for reading Japanese manga.

Your Privacy Matters

Speech recognition and translation are processed directly on your device without sending audio to a separate server.

Recognized audio or translated sentences are not stored on your device, and translation history is disabled by default.

Please Note

- Requires Android 10 or later.
- Some DRM-protected content or apps that block screen capture may prevent subtitles from being displayed.
- Speech recognition models for each language are downloaded from the internet when needed.

Don't let foreign-language videos slow you down. Understand them instantly with BaroCaption.

During the beta period only, Advanced English and High-Accuracy Multilingual recognition language packs are provided free of charge.

What’s new

New: Screen text translation
- Translate text on your screen in real time, in any app that doesn't block screen capture (group chats, messengers, games, web pages)
- Set an area once and new messages keep getting translated
- Choose the text language and your language freely (vertical text in Japanese manga supported)
- All recognition and translation happen on your phone

Improvements
- Drag the subtitle window to move it (⠿), drag the corner to resize (◢), or minimize it (—)