Video to MP3 Converter - Extract Audio from Video Free
Last updated: 2026-03-14
You have a music video, a podcast recording in video format, or a lecture video. You only need the audio. Converting video to MP3 strips the video track and keeps just the sound, reducing file size by 90% or more.
File Size Comparison
| Format | 1 Hour Duration | Quality |
|---|---|---|
| MP4 video (1080p) | ~1.5 GB | Full video + audio |
| MP4 video (720p) | ~700 MB | Full video + audio |
| MP3 audio (320 kbps) | ~144 MB | High quality audio only |
| MP3 audio (128 kbps) | ~58 MB | Standard quality audio only |
Which Bitrate to Choose
- 320 kbps. Highest MP3 quality. Use for music you care about.
- 256 kbps. Very good quality. Most people cannot tell the difference from 320.
- 192 kbps. Good quality. Fine for podcasts and speech.
- 128 kbps. Standard quality. Acceptable for speech, noticeable compression on music.
Supported Input Formats
MP4, AVI, MOV, MKV, WebM, FLV, WMV, 3GP, and more. If it is a video file, we can extract the audio.
Extract audio from any video - free, instant, high quality.
Open Video to MP3 Converter →Related Tools
Video to MP3 - Extract audio
Video Trimmer - Cut video
Video Compressor - Reduce size
Video Converter - Change format
Video to GIF - Create GIFs
Video Resizer - Change resolution
According to MDN Web Docs, the MediaRecorder API enables browser-based audio extraction.
As Xiph.org documents, modern audio codecs offer better quality-to-size ratios than MP3, but MP3 remains the most universally compatible format.