First: solve the problem that YouTube cannot download MP4 directly. Download YTB MP3 website or extension program can provide download.
Second: the whole process of conversion and download can be completed here without secondary conversion to other platforms.
Third: just provide YouTube links or keywords, and there is no redundant operation process.
Fourth: fast download speed, free use, stable performance and simple operation.
Use the download YTB MP3 tool to easily solve your troubles, and complete the conversion and download functions for you in one stop. There is no need to use a variety of different software to realize it, and there is no need to install software.
Put YouTube MP4 links or keywords in the search conversion function box, find your downloaded YouTube MP4 content, select the corresponding definition and format size, and then download it to your computer or mobile phone for viewing.