Murmur

FreeOfflineWindows and Mac

Hold a key. Say it. Let go.

Murmur types what you say wherever your cursor is. Your voice never leaves your computer. No account, no subscription.

Download for Windows Mac

460 MB speech model, downloaded once · MIT licensed

Animation: scattered spoken words turn into fireflies, fly into a text window and become a clean sentence.

Hold Right Ctrl to try it. A scripted demo, no microphone.

What you say, and what lands

You said

um pick up milk and uh coffee on the way home

Murmur typed

Pick up milk and coffee on the way home.

Fillers go, punctuation and capitals come in.

You said

deploy to cooper netties

Murmur typed

Deploy to Kubernetes.

Teach it names and jargon once. It matches sound-alikes too, and learns from your fixes.

You said, in Outlook

hi sarah thanks for the update i'll send notes by friday thanks jeff

Murmur typed

Hi Sarah, Thanks for the update. I'll send notes by Friday. Thanks, Jeff

Speech recognition runs on your computer's processor, using NVIDIA's Parakeet model. After the one-time download, Murmur works with Wi-Fi off. Your audio is processed in memory and never saved or sent anywhere.

One minute, start to finish

Download

Windows

Windows 10 or 11, x64. No GPU needed.

Get the installer

Installs for your user only, no admin prompt, and updates itself from the tray. Not code-signed yet: if SmartScreen says “Windows protected your PC”, click More info → Run anyway.

macOS

macOS 13 or later, Apple Silicon (M1 or newer).

Get the DMG

Signed and notarized by Apple.