Initializing...
Your audio is processed locally in your browser and is never sent to our servers.
1. Grant microphone permission when prompted. 2. Select your mic. 3. Click 'Start Testing'. 4. Watch the visuals. 5. Optionally, record/playback.
Yes. All audio processing is done locally in your browser. Your audio never leaves your computer and is not stored anywhere.
Check: 1. Mic permissions in browser settings. 2. Correct mic selected. 3. Mic isn't muted in system settings. 4. Try updating your browser (Chrome, Firefox, Edge, Safari recommended).
No, this tool runs entirely online in your web browser. No installation needed.
The Volume Meter shows loudness. The Waveform shows the sound wave shape over time. The Frequency Spectrum shows the intensity of different pitches (low sounds on the left, high sounds on the right).