Audio & video tests
Check that your microphone, speakers and webcam actually work before a call, stream or recording. 3 free tests in this category.
Microphone TestMIC
See a live input meter and waveform to confirm your mic is picking up sound.
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Webcam TestCAM
See a live camera preview with resolution and device details.
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Speaker TestSPKR
Play a test tone through left, right or both speakers and check the output device.
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