Free Voice Calculator

Free Voice Calculator is a fast, lightweight extension that lets you perform math operations directly from the Chrome toolbar — using either the calculator buttons or your voice.

Speak naturally and the extension will understand the operation, even when expressed in full sentences.
It supports English, Italian, Spanish, and French, including number words, decimals, and phrases such as:

“how much is 27.4 divided by 4.3?”
“twenty-three times seven”
“ventitré per due”
“cuánto es 15 entre 3”

✔️ Perfect for quick calculations without switching apps
✔️ Modern, clean interface always available in one click
✔️ Voice recognition handled directly by the browser — no data sent to servers
✔️ Understands compound numbers, decimals, simple fractions, and percentages

✨ Key Features

🔢 Full calculator with all basic operations
🎤 Advanced voice input in 4 languages
🧠 Natural-language interpretation (“how much is…”, “what is…”, “cuánto es…”)
🔍 Accurate parsing of decimals and thousands separators
🌐 Automatic UI language detection based on browser language
⚡ Instant results without leaving your current page
🔒 No personal data collected or stored

🛠 How It Works

Install the extension
Click the calculator icon next to the address bar
Press the microphone button and allow microphone access
Speak your operation (e.g. “twenty-seven point one times zero point zero zero one”)
The result appears instantly on the calculator screen

👍 Why Use It?

Quickly calculate values without opening a separate app
Ideal for students, teachers, professionals, and multitaskers
Great for operations involving decimals, percentages, or spoken numbers
Supports multilingual voice input with natural interpretation

🛡 Privacy

This extension does not collect or transmit any personal data.
Voice recognition is processed locally by Chrome’s built-in Web Speech API.