Measure

Sound Level Test

A simple live readout of the sound reaching your microphone, with a peak hold so you can catch short bursts.

ConsoleIdle
Input level

0dB

Peak held: 0 dB

Waveform
01

Allow microphone access.

02

Point the device at the sound source.

03

Read the live value and the held peak.

FAQ

Sound Level Test questions

How do I use the Sound Level Test?
Allow microphone access. Point the device at the sound source. Read the live value and the held peak.
Is the Sound Level 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. Sound Level Test runs in any modern mobile or desktop browser — nothing to install.