Murmur

Turn your voice into text instantly with offline speech-to-text dictation for Windows — private, fast, and fully offline.
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Designed for productivity and privacy, Murmur lets you dictate text into any application using a single global hotkey. Just press the shortcut, speak naturally, and release — the transcribed text appears instantly at your cursor position so you can keep working without interruption.

Murmur works everywhere: IDEs, terminals, browsers, chats, document editors, and enterprise applications. It is especially suited for corporate, offline, and NDA-restricted environments where cloud-based dictation tools are not allowed.

Notebook is a PRO Feature
Upgrade to PRO to unlock the Notebook feature and transcribe long recordings and files.

* Transcribe audio and video files
* Long recordings up to 3 hours
* Export to TXT, PDF, DOCX, SRT
* Unlimited saved transcriptions

Key Features

🔒 100% Offline & Private
All speech recognition runs locally on your PC. No uploads, no tracking, no telemetry, and no external servers.

🧠 Whisper AI Engine
Accurate real-time speech recognition powered by OpenAI Whisper, supporting 99+ languages with automatic language detection.

⚡ High Performance
GPU acceleration with NVIDIA CUDA and Vulkan for fast transcription. Automatically falls back to CPU when GPU is unavailable.

⌨️ Global Hotkey Dictation
Start and stop dictation instantly from any application using a customizable system-wide hotkey.

✍️ Type Anywhere
Transcribed text is automatically inserted into the active window or text field — no copy-paste, no app switching.

🗂 Local Transcription History
All transcriptions are stored locally for browsing, editing, copying, and reuse.

🪶 Minimal Interface
Clean