Voice-to-text that runs on your machine

Press a hotkey → speak → text appears wherever you're typing.
Free. The default local Whisper backend works offline with no API key and no account.

~600 MB download · Powered by Whisper AI · Open source · MIT license · All downloads

How it works

Step 1
Press your hotkey
A small indicator appears in the corner. You're recording.
Step 2
Speak naturally
Talk at your normal pace. The waveform shows the mic is active.
Step 3
Text appears at cursor
Press the hotkey again. Your words are transcribed and pasted wherever you're typing.

Why SigmaShake Voice

  • The default local Whisper backend works offline and keeps audio on your machine. An optional NVIDIA NIM backend, if you enable it with your own NVIDIA API key, sends audio to NVIDIA.
  • No account and no subscription; the default local backend needs no API key
  • Works in any app: browser, editor, terminal, chat
  • Linux, macOS, and Windows support
  • Draggable indicator, remembers its position
  • Optional wake word and end word detection
  • Free and open source (MIT)

Permissions required

🐧 Linux

  • Microphone: granted automatically by ALSA/PipeWire
  • Hotkey (Wayland): add yourself to the input group:
    sudo usermod -aG input $USER
    then log out and back in (one-time setup)
  • Linux X11: no extra steps needed

🍎 macOS

  • Microphone: macOS prompts automatically on first use. Click Allow.
  • Accessibility: required for the auto-paste feature. macOS prompts you; or go to System Settings → Privacy & Security → Accessibility.

🪟 Windows

  • Microphone: Windows prompts automatically on first use. Click Allow.
  • No other permissions needed.

Need the full install walkthrough, troubleshooting, or developer guide?

Read the full documentation →