Deskreen shares a computer screen to devices through a web browser, including phones, tablets, and other computers.
Sound Meter
Measure surrounding sound levels in decibels using a computer microphone in this browser tool.
About Sound Meter
Sound Meter is a browser extension that measures surrounding sound using a computer's microphone. It shows the current sound level in decibels along with minimum and maximum recorded levels, noise level, average and normalized values, and monitoring duration in a stand-alone popup window. It also includes a calibration field to adjust readings for the system and environment. The extension requires microphone permission and a connected microphone to work. It may take a few seconds to become ready after opening, and calibration changes take effect only after reloading the interface.
Key features
- Measures surrounding sound level in decibels via computer microphone
- Shows minimum and maximum recorded sound levels
- Displays noise level, average, and normalized sound values
- Tracks total duration of current sound monitoring
- Calibration field to adjust readings for system and environment
- Stand-alone popup window with real-time sound readings
Best for: People who want to check surrounding sound levels using a computer with a microphone.
Good for
- Displays current, minimum, maximum, average, and normalized sound readings
- Includes calibration control to adjust for system and environment
- Available for Firefox, Chrome, and Opera on all operating systems
Watch out for
- Requires microphone access and a connected microphone
- Takes a few seconds to become ready after opening
- Requires reload after changing the calibration value
Sound Meter at a glance
- Category
- Software & Utilities › Hardware & Diagnostics
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Browser extension, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Check a microphone in the browser with real-time audio levels and voice recording.
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Sound Meter FAQ
What does Sound Meter measure?
It measures sound level in decibels, noise level, sound average, normalized sound value, minimum and maximum levels, and monitoring duration.
Why does it ask for microphone access?
It uses the computer microphone to capture surrounding sound. Accept the permission to start it, and attach a microphone if the computer does not have one.
How does calibration work?
Enter a value in the calibration field if the reading is not accurate for your machine, then press the reload button for the change to take effect.
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