PrismKitImages & MediaTone GeneratorTone GeneratorRuns in your browserLocalCopy linkMarkdownPlay a test tone, frequency sweep or white or pink noise at any pitch, with a note picker and left/right channel test.Microphone TesterTest your microphone with a live level meter, waveform and spectrum, and record a short clip to play back.Screen RecorderRecord your screen, a window or a tab with optional microphone audio, then preview and download the video, all in your browser.