About Extract audio

Extract audio from video for free—no upload. Export M4A, MP3, or WAV locally in your browser. Private, fast, no cloud.

Tool facts

Processing
Runs locally in your browser. Source files are not uploaded to NanoPix for editing.
Available controls
Track selection & audio stream probe · Output formats (M4A, MP3, WAV) · Time range trimming & lossless demux copy
Output
Export independent audio file

Frequently asked questions

What can Extract audio do?
Extract audio from video for free—no upload. Export M4A, MP3, or WAV locally in your browser. Private, fast, no cloud.
Are my files uploaded to your servers?
No. NanoPix runs in your browser with WebAssembly. Your video, audio, or image files stay on your device—we never receive them.
Is browser-based editing private?
Yes. Processing happens locally on your machine. Nothing is sent to NanoPix servers for encoding or storage.
Is this tool free?
Yes. NanoPix tools are free to use in a modern browser. No account is required for basic editing and export.

Popular Format Conversions

MKV→MP4MOV→MP4FLV→MP4WebM→MP4MOV→MP3MP4→MP3AVI→MP4WMV→MP4MP4→GIF