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This tool captures audio output, which only works in Chromium-based browsers (Chrome, Edge, etc.).
tabture
begin capture
stereo
0.0s
recording… stop sharing to finish
When the sharing dialog opens:
Pick a
tab
,
window
, or
screen
.
Enable
Share tab audio
/
Share system audio
(the checkbox in the dialog).
Recording starts immediately and runs until you stop sharing.