A real local sound test
Play a controlled 1 kHz signal through the left, stereo or right path without loading the website first.
Chrome toolbar / Manifest V3
Sound test, one click away.
Check speakers or headphones from the Chrome toolbar. Select left, stereo or right, play a safe local signal, and record what you actually heard.
Store listingRelease pendingUse the online sound test
- Permissions
- None
- Test signal
- 1 kHz local
- Language
- English
Toolbar popup / actual interfaceONLINE SOUND TESTonlinesoundtest.com ↗LOCAL
Quick output checkOST / 01
SIGNAL ROUTECHECK YOUR OUTPUT PATH
Start quietly. Select a channel, play the local signal, then confirm what you heard.
01 / LLEFTNOT TESTED02 / CSTEREOREADY03 / RRIGHTNOT TESTED
SINE1.00kHz
STATUS / READYRUN THE STEREO CHANNEL CHECK
No microphone, browsing or site access is required.
FULL DIAGNOSIS ↗A shortcut with real utility.
No Chrome permissions
The extension does not read pages, browsing history, microphone input or site data. Answers disappear with the popup.
A next step when sound is wrong
A silent, reversed or unbalanced result opens the relevant guided diagnosis on onlinesoundtest.com.
Three-step field check
Pin. Play. Confirm.
The extension verifies the signal it generates; you verify the physical output in front of you. It never claims to hear your speakers automatically.
- 01Pin Sound Test
Keep the extension beside the address bar for quick pre-call and troubleshooting checks.
- 02Select a channel
Choose left, stereo or right and start at the default −18 dB app attenuation.
- 03Confirm the route
Mark the observation, then open the website only if you want deeper testing or repair steps.
Privacy boundary
The popup stays local.
There is no microphone permission, analytics request, account, stored answer or access to the pages you browse. A website request begins only when you click an onlinesoundtest.com link.
Read the privacy policy