Browser capability testing
Use Microphone Level Meter to check the permission and media features available on the current device.
Media & Recording
Microphone Level Meter
View relative microphone level in dBFS; results are not calibrated environmental sound pressure levels.
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What this tool does
Microphone Level Meter runs directly in the browser without installing software or creating an account. The page adapts to the current device and shows a clear compatibility message when a browser feature is unavailable.
View relative microphone level in dBFS; results are not calibrated environmental sound pressure levels.
How to use it
- 1Open Microphone Level Meter on the device and browser you want to test.
- 2Press Start and approve the requested browser permission when applicable.
- 3Review the live status, then stop and download or copy the result when the tool provides one.
Common use cases
Local capture
Create a quick recording or test without signing in to a cloud service.
Compatibility, privacy and limits
The page asks the browser for device permission only after a user action. Recordings and detected content remain in the browser unless you explicitly download or share them.
The reading is relative digital dBFS, not calibrated dBA or sound pressure level. Do not use it for occupational safety, medical, or legal measurements.
Check the result after processing. For file tools, keep the original until the downloaded output has been verified.
Frequently asked questions
Is Microphone Level Meter free to use?
Yes. The core tool works without an account. Future advertising or optional paid services will not change the result shown by the free tool.
Does Microphone Level Meter upload my data?
The page asks the browser for device permission only after a user action. Recordings and detected content remain in the browser unless you explicitly download or share them.
Does Microphone Level Meter work on a phone?
The reading is relative digital dBFS, not calibrated dBA or sound pressure level. Do not use it for occupational safety, medical, or legal measurements.
What should I do if Microphone Level Meter does not work?
Reload the page, use a current browser, disable aggressive content blockers for this page, and check any requested permission. For file tools, try a smaller or valid file and keep the original.