SoundTest

Free in-browser audio tools: speaker/headphone test, tone generator and decibel meter.

Webfree

SoundTest is a free suite of in-browser audio tools for testing speakers and headphones, running a frequency sweep, generating tones or DTMF signals, detecting a musical note, and measuring ambient decibel level, all running client-side with no upload or sign-up. It's for anyone who needs a quick, no-install way to check audio hardware or measure sound.

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