Zizi Downloader, formerly known as zDownloader, is a free utility tool that allows users to download music and videos from popular Vietnamese music and entertainment applications such as ZingMp3, Keeng.vn, and Nhaccuatui (NCT). With Zizi Downloader, users can download any song, including those that are restricted due to copyright issues, and even download entire albums or playlists. The app also supports downloading music videos with a 480p quality.

One of the unique features of Zizi Downloader is that it also supports downloading movies from Keeng.vn and videos from the Tiktok app without the Tiktok logo. To use Zizi Downloader, users need to have ZingMp3, Keeng.vn, or NCT installed on their Android device. To download a song or video, users simply need to select the song or video they want to download and click the share button. From there, they can select Zizi Downloader as the app to use for downloading.

Overall, Zizi Downloader is a user-friendly and efficient tool for downloading your favorite music and videos for free.