Every sound tool, one place.

Twelve free audio tests and generators that run entirely in your browser — nothing to install, nothing uploaded. Pick a tool below, or start with the quick sound test.

Speaker & Sound Tests

Sound TestPlay a test sound and check both speakers in seconds.Bass TestSweep the sub-bass and find your speakers' low limit.Headphone TestCheck drivers, balance, and stereo imaging.Left/Right TestVerify your stereo channels aren't swapped.Surround Sound TestTest every speaker in a 5.1 or 7.1 layout.

Microphone & Analysis

Mic TestSee your microphone's live waveform and hear a playback.Spectrum AnalyzerVisualize live audio as bars, waves, or a spectrogram.

Hearing Tests

Hearing TestScreen each ear across the standard audiometric range.Hearing Age TestFind the highest frequency you can still hear.

Audio Generators

Tone GeneratorGenerate any frequency from 20 Hz to 20 kHz.Binaural BeatsGenerate delta, theta, alpha, beta & gamma waves.White NoiseWhite, pink & brown noise for focus, sleep, and testing.