Measure real-time sound levels with your microphone. See your decibel reading, track your max — no downloads, no login.
Tap. Yell. Measure.
Tap Start and grant microphone access when your browser asks.
Yell, clap, play music — the meter responds to any sound in real time.
Watch the dB reading jump. Your max level is tracked so you can try to beat it.
See your current decibel level update every frame using the Web Audio API.
Your highest dB reading is saved for the session. Try to beat your record!
An animated bar shows volume at a glance — from whisper to scream.
Use your phone's mic to measure sound on the go. Fully responsive.