Overview

Murmur is a powerful, privacy-first speech-to-text app for macOS where all transcription happens 100% on your device. It supports multiple AI engines including WhisperKit, whisper.cpp, Apple Speech, and NVIDIA's Parakeet model. With features like speaker identification, diarization editing, global hotkey dictation, and AI-powered refinement via local Ollama or OpenAI, Murmur is perfect for interviews, podcasts, meetings, and everyday dictation. Export to SRT, VTT, or plain text formats.

Pricing: Free (limited) | Pro: $24.99 (one-time, lifetime)

Minimum macOS: 14.0 (Sonoma)

Architecture: Apple Silicon, Intel

Key Features

• Multiple speech engines: WhisperKit, whisper.cpp, Apple Speech, Parakeet
• Models from Tiny to Large v3 Turbo for varying accuracy levels
• 100% local processing - audio never leaves your Mac
• Speaker identification and diarization editing
• Global hotkey dictation to insert text in any app
• AI refinement with local Ollama or OpenAI API
• File transcription for MP3, WAV, M4A, MP4, MOV and more
• Export to SRT, VTT, and plain text formats
• Custom AI prompts for different use cases
• Transcript history with raw, refined, and diarized versions

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