YTmp3 can convert videos from non-standard extensions used on popular platforms. Another useful feature is the ability to download video and audio in mp4 and mp3 formats, respectively. Works completely free of charge on all devices: desktop computers and mobile devices. As a result, the user gets the best quality video available. At the same time, the duration of the converted video is up to 90 minutes. The person is only required to enter the link and select the quality.