Measure

Microphone Test

Shows a live waveform straight from your microphone. If the line moves when you speak, your mic works.

ConsoleIdle
Input level

0dB

Peak held: 0 dB

Waveform
01

Allow microphone access when asked.

02

Speak normally at your usual distance.

03

A flat line means the mic is muted or dead.

FAQ

Microphone Test questions

How do I use the Microphone Test?
Allow microphone access when asked. Speak normally at your usual distance. A flat line means the mic is muted or dead.
Is the Microphone Test free?
Yes. Every SpeakerTonic tool is free to use, with no account, no install and no limit on how often you run it.
Does my audio get uploaded anywhere?
No. The microphone signal is processed in your browser only. Nothing is recorded to a server, stored or shared.
Does it work on a phone?
Yes. Microphone Test runs in any modern mobile or desktop browser — nothing to install.