Text to Speech
Text & WritingHear your draft with the voices already on the device. Nothing is uploaded.
Calculated Result
Idle
Formula: window.speechSynthesis · utterance stays on device
About this calculator
Paste a paragraph and press Speak. The utterance uses the OS voice list. Calnora does not host an audio API, so quality follows the phone or laptop.
How It Works & Formula
FormulaSpeechSynthesisUtterance in the browser
window.speechSynthesis.speak(new SpeechSynthesisUtterance(text)) with a rate slider.
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