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Caption.IM

Productivity

Caption.im is a self-sovereign macOS app that turns any audio into real-time captions, translation, recordings, meeting summaries, and mind maps.

About Caption.IM

Caption.IM is a macOS application that provides real-time captions, translations, and meeting summaries for any audio played on a Mac. The tool processes audio locally, emphasizing privacy by ensuring that conversations do not leave the device. It is compatible with a wide range of applications, including video calls, online courses, podcasts, and livestreams, and features a floating subtitle window for on-screen captions. Caption.IM is optimized for Apple Silicon and offers both free and paid subscription options through in-app purchases.

Best for: remote workers, online learners, multilingual teams, content creators, researchers, students

Key features

  • Transcribes audio in real time for meetings, videos, and calls.
  • Provides instant translation of audio into multiple languages.
  • Displays captions in a floating, transparent overlay on macOS.
  • Generates structured meeting summaries and key insights automatically.
  • Works with any application that plays audio on Mac, including Zoom and YouTube.
  • Processes all speech recognition and AI tasks locally for privacy.
  • Optimized for Apple Silicon for fast, efficient performance.

Use cases

  • Adding live captions to video calls and online meetings.
  • Summarizing and organizing meeting discussions automatically.

Pros

  • No data is collected by the developer, supporting privacy.
  • Works with any Mac application that outputs audio.

Limitations

  • Requires macOS 15.6 or later and only available for Mac.

Screenshots

Caption.IM screenshot
AccessibilityAI CaptionsAI Meeting AssistantAI Meeting NotesAi mind mapAI SummaryAI transcriptionAudio RecordingAudio to textGoogle Meet CaptionsInformation EquityLive CaptionsLive Subtitle TranslationLocal AILocal LLMsMac ProductivityMacOS AppMeeting RecordingMeeting SummaryMind MapMulti-Language TranslationMultilingual TranslationOffline AIOn-Device AIOnline Course CaptionsPodcast TranscriptionPrivacy‑firstPrivate TranscriptionProductivity ToolReal-Time SubtitlesSpeech-to-textSubtitle TranslationTeams CaptionsVoice to textYouTube CaptionsZoom Captions

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