Sonance analyzes selected-tab audio inside the browser and does not transmit audio.
Chrome extension for musicians
Find the key. Transpose in real time.
moduLab analyzes tonal center and applies real-time pitch and formant processing to a YouTube or YouTube Music tab that you explicitly select.
Selected-tab audio stays in extension memory and is never sent to moduLab servers.
moduLab captures only the supported tab that you choose and never requests microphone access.