Test your speakers, headphones and microphone, measure noise, play any tone and check your hearing. Everything runs right in your browser.
Tap one and we will point you to the right tools.
The tools people open first to check their sound, their microphone and their ears.
Check that your speakers or headphones play, in left, right and stereo.
See if your microphone works, get a quality score and record a clip.
Find your hearing range, your ear age and how each ear compares.
Thirteen tools in three groups. Every one is free and works on phones, tablets and computers.
The quick first check that your speakers or headphones play in left, right and stereo.
Check each speaker on its own, the stereo balance and whether they are wired in phase.
Check each earcup, the balance between them, bass and 8D spatial sound.
Play one channel at a time to find swapped sides, mono audio and uneven balance.
Check every speaker in a 5.1 or 7.1 home theater is connected and in the right place.
Play any frequency from 1Hz to 20kHz, with sweeps, pulses and chords to download.
Find out how low your speakers or subwoofer go, and track down rattles.
Glide a tone from 20Hz to 20kHz to find dead spots, peaks and buzzes.
Gentle beats for focus, calm and sleep, with ready sessions and a timer.
A four step screening of your hearing range, ear age and each ear.
See any sound split into its frequencies live, from your mic, a file or a test signal.
Check your microphone works, get a quality score and record a clip.
Measure how loud a room is in dBA, with a safe listening time and noise log.
Pick the problem that sounds like yours and go straight to the tool that checks it.
The tools use standard browser audio, so they work with whatever your device plays through or records from.
Wired or Bluetooth. Turn off spatial audio before left and right tests.
Headphone TestDesktop speakers, soundbars, home theater systems and car audio.
Speaker TestUSB mics, headset mics, audio interfaces and built-in laptop mics.
Mic TestEvery tool is built on the Web Audio API that comes with your browser. Tones are made and sound is measured right on your phone or computer.
Sound Tester helps people set up and check their audio without buying gear or installing apps. Each tool explains its results in plain words and is clear about what a browser can and cannot measure.
Built around the checks people really do at home, in the car, on calls and while streaming.
Measurements use standard methods such as A-weighting, 1/3 octave bands and meter response times.
Hearing and noise advice comes from the WHO, NIOSH and the NIDCD, linked where it is used.
The hearing test is a screening and the decibel meter is an estimate. Every page says so.
Yes. All 13 tools are free, with no sign-up, no download and no limit on how often you use them.
No. Every tool runs in your browser on Windows, Mac, Chromebook, Linux, iPhone and Android.
No. Microphone sound is measured on your own device and never uploaded. The Mic Test only records when you press record, and the clip stays in your browser.
Start with the Sound Test to confirm audio plays. Then use the Left Right Test for channel problems, the Speaker or Headphone Test for your gear, and the Mic Test for calls.
The Mic Test, Decibel Meter and Spectrum Analyzer use your microphone. The Headphone Test, Hearing Test and Binaural Beats work best with headphones.
Tones are generated exactly, so frequency tools are very precise. Microphone readings depend on your mic and are best for comparisons, not lab or medical use.