Audio and video · All tools
Start explicitly and allow only the requested device. Check the preview or signal, then stop. Microphone audio is not played through speakers. Sound tests are quiet by default and stop after 10 seconds.
Audio and videoMicrophone Test: Record and Play Back Your Voice
Audio and videoWebcam Test: Check Your Camera Online
Audio and videoStereo Speaker Test: Check Left and Right Channels
Audio and videoOnline Tone Generator
Audio and videoAudio Visualizer: Inspect Waveforms and Spectrum
Audio and videoMicrophone Level Meter: Monitor Relative Input Levels
What this test can and cannot tell you
Results reflect events and signals available to your browser. Settings, permissions and device support can affect them; they do not certify that hardware is healthy or faulty.