Caption.IM
Real-time AI captions and translation for any desktop application.
Overview
What is Caption.IM?
Caption.IM is a real-time captioning and voice input desktop application designed to work across any software, including meetings, calls, and videos. It uses AI-powered transcription and translation to provide 98%+ accurate captions directly on the user's screen. A key differentiator is its privacy-first architecture, where all audio processing happens locally on the device, ensuring audio data never leaves the machine. It supports over 100 languages for translation and is compatible with platforms like Zoom, Google Meet, Microsoft Teams, and YouTube.
What is Caption.IM used for?
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Top Features
- Real-time captions with 98%+ accuracy
- Privacy-first local audio processing
- System-wide audio capture (no browser extension needed)
- Instant translation into 50+ languages
- Transcript export (TXT, SRT, VTT)
- Automatic speaker detection
- Global keyboard shortcuts for instant control
How to use Caption.IM?
Download and install Caption.IM on your macOS, Windows, or Linux device. Grant the necessary system audio permissions, and the app will automatically start capturing audio from any running application to display live captions. Users can then translate these captions or export them as transcripts.
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Pros & Cons
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Use Cases
- Transcribing and translating international business meetings in real-time
- Providing accessibility for deaf or hard-of-hearing individuals during video calls
- Generating live subtitles for lectures, podcasts, or YouTube videos
- Using voice-to-text input as a new interface for communication
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