I want free converter software for all video and audio.

我想免费的转换器软件的所有视频和音频。

youdao

Yes, there's a free converter but no, most people won't know about it.

不错，还有免费的，但没有转换，多数人不知道它。

youdao

Yes, there's a free converter but no, most people won't know about it.

不错，还有免费的，但没有转换，多数人不知道它。

youdao