CleanAudio removes background noise from saved audio and video in a focused browser workflow. Upload MP3, WAV, M4A, FLAC, MP4, MOV, or WEBM. Guests get one real preview of up to 30 seconds before choosing a single-file export; signed-in users with Processing Minutes go straight to full processing. For compatible video, CleanAudio keeps the original picture stream and replaces the processed audio track.