On-Device Voice to Text.
Nothing Leaves Your Computer.
Every word is processed locally using an on-device AI model. No internet required. No cloud connection. No accounts.
No credit card required. Plans from $9.99/mo.
What “on-device” actually means
It is an architecture fact, not a privacy claim.
On-device means the AI model that converts your speech to text runs on your own CPU or GPU. The model is bundled with the app and stored locally after installation. When you speak, your audio is processed on your machine and never sent anywhere.
Cloud voice-to-text tools work the opposite way. Your audio travels over the internet to a remote server, gets processed there, and the transcript is returned to you. That server may store your audio, use it to improve their models, or retain it under their data retention policy. On-device tools bypass that chain entirely. There is no server to breach because there is no server in the loop.
Three architecture facts. Provable, not promised.
These are not commitments in a privacy policy. They are properties of how the software is built.
Local AI model
VoicePrivate uses a Whisper-based model that is bundled with the application and stored on your machine after installation. There is no remote inference call. The model runs entirely on your device's own CPU or GPU.
Zero outbound network calls
No audio leaves your device during transcription. You can run VoicePrivate with WiFi off, in airplane mode, or behind a firewall. It works exactly the same. There is nothing to block because nothing is sent.
Fully offline
No internet connection is required at any point during use. Not for activation, not for transcription, not for saving results. Once installed, VoicePrivate is self-contained and works in any environment.
Want to test it yourself? Disconnect from the internet and open VoicePrivate. It works identically. How the architecture works →
Why on-device matters
For some professionals, it is not optional.
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Regulated industries cannot use cloud dictation for sensitive work. Healthcare, legal, and financial professionals handle information that cannot legally or ethically pass through third-party infrastructure. On-device processing is the only architecture that keeps that data off external servers.
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Audio that never leaves your device cannot be breached. Cloud tools carry a real risk: if the provider's servers are compromised, your audio or transcripts could be exposed. On-device eliminates that attack surface. There is no server holding your data because your data never left.
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Works wherever you work. Plane, train, secure facility, rural office with unreliable connectivity. On-device transcription does not depend on signal strength or network access. It runs when cloud tools cannot.
For a deeper comparison of architectures: On-device vs. cloud transcription →
On-device processing across every edition
Every VoicePrivate edition runs on-device. The same architecture, tailored to each use case.