免费在线从视频提取音频
从 MP4 提取音频为 MP3。进度条。在浏览器中完成。
1. Upload MP4
Audio will be extracted as MP3
相关工具
Frequently asked questions
- How do I extract audio from a video?
- Upload an MP4 video and the tool extracts the audio track and offers it as an MP3 download. Processing runs in your browser using FFmpeg (WebAssembly) with a progress bar. No file is sent to a server.
- Are my files stored?
- No. The video is processed entirely in your browser. Your video and the extracted audio never leave your device or get stored on our servers.
- What format is the output?
- The output is MP3, which is widely supported for audio. If the source video has no audio track, the tool may show an error or produce a silent file.
- Why does it take time?
- Demuxing and encoding audio with FFmpeg in the browser (WebAssembly) is CPU-intensive. The progress bar indicates how far the process has gone. Longer videos take more time.
- Does it work with any video?
- The tool is designed for MP4. Other containers or codecs may not be supported. For best results use a standard MP4 file with an audio track.