Contact SoundTester
Bug reports, tool ideas, and feedback are all welcome.
A clear email beats a form. Include your browser, OS, and the page address — we read everything.
The quickest way to reach us is email. We read everything that arrives.
To report something that does not play or load, please include: your browser and version, your operating system, the page URL, and what you expected versus what happened. With microphone issues, mention whether the permission prompt appeared at all.
FAQ
What should I include in a bug report?
Browser and version, operating system, the page address, and a short description of what happened. For microphone tools, also say whether the permission prompt appeared.
Can I request a new tool?
Yes, please do. Requests for common checks tell us what to build next.
Do you reply to every message?
We read every message. We cannot promise a reply time, but feedback that needs follow-up gets it.
Related tools
Left Right Speaker Test
Check that left really is left and right really is right, on speakers or headphones.
Open toolSpeaker Test
Stereo balance, frequency sweep, phase, and sub-bass checks for any speaker system.
Open toolHeadphone Test
Check left/right channels, smooth panning, and balance on any headphones or earphones.
Open toolBass Test
Sine tones from 10–200 Hz with a descent mode to find your lowest audible/reproducible frequency.
Open toolSpeaker Phase Test
Compare in-phase vs out-of-phase tones to catch reversed speaker wires.
Open toolHearing Test
Screen 250 Hz–8 kHz in each ear with rising tones. Not a medical device.
Open tool