Your voice
stays yours.

Record meetings, transcribe audio, get AI summaries. Everything runs on your Mac.

Download Free Trial Purchase v1 License
Available for macOS with Apple Silicon

7-day free trial · €29 one-time purchase for v1

100% offline · macOS 14.4+ · Apple Silicon · 16 GB RAM

*Requires one-time download of AI models (~4 GB) on first launch

Murmur — transcription and AI summary

See Murmur in action

Murmur — transcription and AI summary

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What you get

Simple, powerful, private.

Murmur sidebar with recording library and folder structure
01

Record Anything

Capture system audio, microphone input, or both at once. Record Zoom, Teams, or Google Meet calls — no extensions needed.

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Murmur captures whatever your Mac plays. Start recordings from the menu bar without opening the main window. Supports MP3, M4A, WAV, MP4, and MOV. Every recording is saved locally with AES-GCM encryption and organized in a searchable library with timestamps and speaker labels.

Murmur transcript with speaker labels and timestamps
02

Instant Transcription

Powered by Parakeet ASR running entirely on Apple Silicon. Your audio never leaves your Mac. 25+ languages with automatic detection.

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Drag and drop any audio or video file, or transcribe a live recording as soon as it finishes. Speaker diarization identifies who said what. Click any timestamp to jump to that moment in the audio. No internet connection needed.

AI-generated summary with key points and time references
03

Smart Summaries

A local language model generates summaries tailored to your content — meeting minutes, lecture notes, interview highlights, or podcast overviews.

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Powered by Qwen 3.5 with 9 billion parameters, running locally on your Mac. Click any timestamp in the summary to jump to that moment in the transcript. Regenerate with a different focus anytime, without re-uploading or re-processing.

04

Private by Design

No account creation. No cloud processing. No telemetry. Both AI models run locally on your Mac's Neural Engine and GPU.

Learn more

Transcripts and recordings are encrypted with AES-GCM before storage. The only network requests Murmur makes: license verification, software updates, and the one-time model download on first launch (~4 GB).

And more

Built for real workflows.

Meeting Detection

Connects to your calendar and notifies you before meetings begin. One click to start recording — no setup needed.

Batch Queue

Queue multiple files for back-to-back transcription and summarization. Pause, reorder, or skip — the queue persists across restarts.

Export Anywhere

Export transcripts and summaries as TXT, DOCX, or PDF. Copy to clipboard in one click for Notion, Confluence, or email.

Content-Aware

Select meeting, lecture, podcast, interview, or voice note — summaries adapt their structure and focus automatically.

Menu Bar Controls

Start, stop, and monitor recordings from the menu bar without opening the main window. See live duration and recording status.

Full-Text Search

Search across your entire transcript library. Find what anyone said in any recording — instantly.

Common Questions

Good to know.

What is Murmur? +

A macOS app that transcribes audio and video files and generates AI summaries. Everything runs locally on your Mac — no cloud, no account needed.

Do I need an internet connection? +

Only on first launch to download the AI models (~4 GB). After that, everything works completely offline.

What file formats are supported? +

MP3, M4A, WAV for audio. MP4 and MOV for video. You can also record system audio and microphone directly.

How secure is my data? +

All transcripts and recordings are stored locally with AES-256-GCM encryption. No data leaves your Mac. No telemetry, no tracking.

Which Macs are supported? +

All Macs with Apple Silicon (M1, M2, M3, M4) running macOS 14 or later. We recommend at least 16 GB of RAM.

How much does Murmur cost? +

One-time purchase for €29 — no subscriptions, no hidden fees. Try Murmur free for 7 days.

Start in seconds.

No account required. No data leaves your Mac.
Record a meeting or drop a file to begin.

Download Free Trial