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Microphone Tester
Grant microphone access to see real-time volume level, audio waveform and device list. Includes short recording playback. All audio processing is local.
100% Private & Secure
This tool runs in your browser.
Your data is never uploaded or stored.
Choose the output device for recording playback and live monitoring
Audio Waveform
Volume Level
Silent0%Loud
Peak: 0%Waiting for sound...
Device Info
Input DeviceNot connected
Output DeviceDefault
Sample Rate--
StatusIdle
How to use
- 1
Click Start and grant microphone permission.
- 2
Speak or make noise to see the volume and waveform.
- 3
Try the short recording feature.
Why use this tool?
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Fast, instant results — no waiting, no page reloads.
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Clean, focused interface designed for developers.
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100% private — everything runs in your browser, nothing is uploaded to any server.
Frequently Asked Questions
Is my audio recorded or sent anywhere?
No. All audio processing happens in your browser.
Can I switch between microphones?
Yes. Use the device selector if you have multiple inputs.