However, if you want to listen to it, you have to prepare a M3U8 player. M3U8 files can be opened and edited by most text editors, such as Notepad on Windows. Both audio and video players are able to get where media files are located through the information.Īs mentioned previously, M3U8 does not contain media content but the location information. It uses plain text files to store the information of audio tracks and music, such as the absolute paths and relative paths of local audio files, as well as URLs. In brief, M3U8 is the file extension of audio playlist encoded with UTF-8.