Caption.IM is an AI-powered application designed to provide real-time captions and voice input directly on your desktop. It works seamlessly with any audio source, including meetings, calls, videos, and podcasts, making it ideal for users who need accurate transcription and instant translation. The app runs entirely locally on your Mac, ensuring privacy and security without relying on cloud services.
With a focus on accessibility and ease of use, Caption.IM helps users break down language barriers and improve communication in both personal and professional settings. Whether you're attending virtual meetings, listening to lectures, or engaging in international collaborations, Caption.IM delivers fast, accurate, and reliable transcription and translation right at your fingertips.
Caption.IM operates by capturing system audio directly from your device's output. Once the app is running, it automatically begins transcribing the audio in real time. Users can see the captions appear on screen as the audio plays, and they can choose to translate the captions into any of the supported languages. The process is simple: open the app, grant permissions, and start capturing audio — no setup or configuration required.
Caption.IM is particularly useful for:
| Feature | Description |
|---|---|
| Real-Time Captions | See every word as it's spoken with high accuracy |
| Instant Translation | Translate captions into 50+ languages in real time |
| Privacy First | All processing happens locally on your device |
| System Audio Capture | Works with any app that outputs audio |
| Transcript Export | Save captions in TXT, SRT, or VTT format |
| Speaker Detection | Automatically identifies different speakers |
| Global Hotkeys | Start/stop captions with keyboard shortcuts |
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