Jun 19, · all TV. Contribute to seenodevil/TVm3u development by creating an account on GitHub. File format. There is no formal specification for the M3U format; it is a de facto standard.. An M3U file is a plain text file that specifies the locations of one or more media files. The file is saved with the "m3u" filename extension if the text is encoded in the local system's default non-Unicode encoding (e.g., a Windows codepage), or with the "m3u8" extension if the text is UTF-8 encoded. May 30, · If you are looking for latest and best working m3u playlist url or IPTV Playlist for KODI or any other supported media players and streaming devices, here are some working free IPTV M3u playlist url to stream over + FHD HD, SD & live HD sports channels from USA, Europe, UK, UAE, & all other countries free. Lucky enough, some of these channels supports IPTV +18 m3u free if you need .