The number following the '#EXTINF' section is the audio length in seconds. It’s simple and easy to convert M3U to MP3 or any other supported file. Popular conversions of M3U file is free tool to use, and we have 100. In simple words, an M3U Playlist is a computer text-based file format that stands for MP3 URL and something like this. M3U files contain song playlists which point to the actual. It gives you instant access to thousands. If the audio is being streamed online and no length is set, then you will see -1 here as the pictures shows. And the M3U URL like '' is the relative path of M3U file. M3U playlists are typically used for audio playlists, but some may also include references to video files. Tips: Why do I tell you how to recognize the relative path of M3U file? Because you just need to copy & paste the URL, and then you can be free to share video/audio with others. M3U files contains references to media files, but not. And even if you change the computer, the relative path can be identified, but the absolute path (for an example: C:/Files/My Music/Example.mp3) is not.
