iCaption is a macOS real‑time caption tool. It displays live subtitles over any playing video or audio on your screen.
It captures system audio and uses Apple’s on‑device speech recognition. You can customize the subtitle window, enable translation, and save the session text locally.
Key Features
- Capture system audio and generate live captions
- Floating subtitle window with position and style controls
- Multi‑language speech recognition (40+ languages)
- Optional real‑time translation (system translation)
- Save the final transcript as a local text file
Privacy
- No account required and no personal data collection
- Recognition/translation are handled by system services
- Your content is not uploaded to our servers
- Saved text stays in your chosen local folder
Requirements
- macOS 15.0 or later
- Screen Recording and Speech Recognition permissions