Microphone Test β Check Your Mic Online Instantly
Free microphone test that checks if your mic is working properly β all directly in your browser. Whether you're joining a video call, recording a podcast, or going live on stream, a quick mic check ensures your audio is loud and clear.
Select Microphone
Why Use a Microphone Test?
Audio issues are one of the most common problems in online communication. A broken or muted mic can make you sound unprofessional or leave you completely unheard. Use this test to:
- βMake sure your mic is connected and working
- βSee live audio input levels with visual feedback
- βDetect background noise or distortion
- βChoose between built-in and external microphones
- βTroubleshoot settings without installing software
How It Works
Grant microphone access when prompted
Speak into your mic β watch the live input level move
Press Start Recording
Hear your voice played back instantly
Done! Your mic is ready to go
No installation, no account needed, and nothing is recorded or stored β your privacy is always protected.
Key Features
Live Waveform
The oscilloscope shows in real time whether your microphone is picking up signal. No waveform = no signal.
Visual Mic Input Level Meter
The dB bar shows your input level. Green = optimal, orange = loud, red = clipping. Ideal speech level is around -30 to -20 dB.
Recording with Instant Playback
Record yourself and hear it back immediately β including download as a .webm file. No account needed.
Works on All Devices
Free microphone test on PC, Mac, tablets, and smartphones. All modern browsers supported.
Fast, Private, and Secure
No download or registration required. All audio stays in your browser and is never uploaded.
Multiple Microphone Support
Switch between built-in and external microphones using the dropdown β all connected devices are listed automatically.
Test Your Microphone Now β It's Free
Don't wait until you're already in the call to discover audio problems. Use our Microphone Test to make sure your sound is clear and ready β it's free, fast, and works on any device.
Frequently Asked Questions
How do I test my microphone without software?+
Open this page β your browser will request microphone access and display a live waveform and dB level immediately. Optionally record a clip and listen back β no installation needed.
Why does the waveform show no signal?+
Possible causes: (1) Permission not granted β check the mic icon in the address bar. (2) Wrong device selected β pick another from the dropdown. (3) Microphone muted β check the hardware mute button or system settings.
What does the dB value mean?+
The dB value shows the input level. Around -30 to -20 dB is ideal for speech. A permanently red bar means the mic is too loud β lower the sensitivity in your system settings.
Are my recordings stored or uploaded?+
No. All audio data stays exclusively in your browser. The recording is held temporarily in memory and is never uploaded to any server.
Which browsers support the microphone test?+
All modern browsers: Chrome 90+, Firefox 85+, Edge 90+, and Safari 14+. No plugin or installation required.