Private audio extraction
Convert MP4 to MP3 in your browser.
Extract audio from a video locally and download an MP3 file. No upload step, no account, no cloud conversion queue.
MP4 to MP3
Extracts audio and skips the video stream.
Your selected video is processed in this browser tab. It is not uploaded to a conversion server.
Ready.
Audio extraction without a cloud upload
This tool is useful for voice notes, lectures, demos, and clips where you only need the sound. It creates a separate MP3 file from the video you choose.
Use only files you have the right to process. Browser extraction may still be slow for very large videos.
Before you start
What happens to your file?
The selected video is processed in this browser tab. It is not uploaded to a conversion server.
Best first try
Use the default settings first, then adjust resolution, quality, or clip length if the result is too large.
When this may fail
Very large files or mobile browser memory limits can stop processing.
Frequently asked questions
Does this keep the video?
No. The output is an MP3 audio file.
Is the audio uploaded?
No. Audio is extracted locally from the selected video.
Can it extract from non-MP4 files?
Some browser-supported video files may work, but the page is tuned for MP4 inputs.