MurmurAI for MacOS
Unlock the full power of on-device speech-to-text for macOS. Advanced AI engines, speaker identification, file transcription, and more.
Murmur is a powerful, privacy-first speech-to-text app for macOS. All transcription happens 100% on your device — your audio never leaves your Mac.
What You Get with Pro (for Lifetime)
🚀 Advanced Speech Engines
Unlock powerful engines for faster, more accurate transcription:
- Apple Speech - Native macOS recognition, fully on-device, no downloads required
- Parakeet - NVIDIA's 25-language model with auto-punctuation
Free users have access to WhisperKit with Tiny & Base models
🎯 Larger, More Accurate Models
Access the full range of WhisperKit and whisper.cpp models:
- Small, Medium, Large - Higher accuracy for challenging audio
- Distil Large variants - Best balance of speed and accuracy
- Large v3 Turbo - State-of-the-art transcription quality
Free users are limited to Tiny and Base models
🎙️ Diarization Refinement
Take speaker identification to the next level:
- Edit speaker segments - Split, merge, and reassign speakers
- Rename speakers - Replace "Speaker 1" with actual names
- Perfect for interviews, podcasts, and meetings
Free users can identify speakers, but cannot edit the diarization
📁 Unlimited File Transcription
Transcribe audio and video files of any length:
- MP3, WAV, M4A, MP4, MOV, and more
- Drag & drop or select files
- Progress tracking for long files
Free users can transcribe files up to 5 minutes
✨ Unlimited Custom Prompts
Create as many AI refinement prompts as you need:
- Different prompts for meetings, notes, emails, etc.
- Tailor AI output to your specific use cases
Free users can create up to 2 custom prompts
📚 Unlimited History
Save unlimited transcripts in your library:
- Access raw, refined, and diarized versions in one view
- Never lose a transcript again
Free users can save up to 5 transcripts
What's Included FREE
✅ WhisperKit & whisper.cpp - Tiny and Base models
✅ Live microphone transcription - Real-time dictation
✅ AI Refinement - Clean up grammar, punctuation, formatting
✅ Speaker Identification - Know who said what
✅ Global Hotkey Dictation - Dictate and insert text in any app
✅ All Export Formats - SRT, VTT, and plain text
✅ File Transcription - Up to 5 minutes
✅ 2 Custom Prompts - For AI refinement
✅ 5 Saved Transcripts - In your history
All Languages Included
(specific to models and the engine being used)
Requirements
- macOS 14.0 or later
- Apple Silicon (M1/M2/M3/M4) or Intel Mac
Privacy First
All transcription happens locally on your Mac. No audio is ever sent to the cloud. Your conversations stay yours. If you want complete privacy, we recommend using local Llama setup for AI-powered refinement.
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License Details
- Single device license
- Allows deactivation and switching devices
- Lifetime updates included