Extract audio from video online.
Convert MP4, MOV, and other video files to MP3, WAV, or FLAC. No upload, no signup, no watermark.
Your file stays in this browser tab.
Extract to compressed or uncompressed audio.
Strips the video track and keeps the audio.
Need to search or transcribe audio?
This tool extracts audio files. Cutsio can transcribe speech, index spoken content, and make your entire video library searchable with AI.
Common questions.
How do I extract audio from a video online?
Choose a video file, select MP3, WAV, or FLAC, and click Extract audio. The tool separates the soundtrack locally in your browser and gives you the audio file to download.
Is my file uploaded anywhere?
No. The audio extraction runs entirely in your browser tab. Your file never touches a server.
What format should I choose?
MP3 is best for smallest file size and broad compatibility. WAV is uncompressed for editing. FLAC is lossless compression for archival quality.
Does it support surround sound?
Yes. The audio track is preserved with its original channel layout. MP3 output supports up to 2 channels (stereo), while WAV and FLAC support multi-channel audio.
What source formats are supported?
Any file with an audio track. This includes MP4, MOV, WebM, MKV, and standalone audio files like MP3, WAV, FLAC, and AAC.