About SoundTest
Free, fast, in-browser audio tools — no app, no sign-up.
Audio tools that just work
SoundTest is a small suite of audio utilities that run entirely in your browser using the Web Audio API: a sound test for speakers and headphones, a tone generator, a DTMF dial-tone generator, a real-time pitch detector and a decibel meter. Open a tool and use it instantly — there’s nothing to install and your microphone audio is never uploaded.
Private by design
Every measurement and tone is generated and analysed locally in your browser. No recordings, no accounts, no uploads.
Free forever
All tools are free to use. The site is supported by ads so it stays open to everyone, with no paywall.