Private browser tool

Video to Audio Extractor

Turn a video into a high-quality MP3 audio file without sending the video to a server.

No uploadNo accountFree to use

✓ Runs locally in your browser

↥Choose or drop a filevideo/*, .mp4, .mpeg, .webm, .mov, .mkv · up to 500 MB

🔒 Your media file is never uploaded to Voysum.

Private by default

Useful conversion without giving up your file.

The selected video stays on your device during processing.

Extract speech, music, or other audio into a widely supported format.

Convert and download without creating a Voysum account.

Common questions

How local browser processing works and what to expect.

Is my video uploaded?

No. Conversion runs locally in your browser using WebAssembly.

Which videos can I use?

Common browser-readable formats such as MP4, WebM, MPEG, MOV, and MKV can work, depending on the codecs inside the file.

Keep working

Convert MP4 video to MP3 locally in your browser with no file upload.

Trim audio locally in your browser and download only the section you need.

Compress audio to a smaller MP3 locally in your browser.

Need the words too?

Voysum can transcribe the converted recording and create subtitle files.