It is possible to make changes and edit all of your m3u and m3u8 playlists with Notepad++. All you need to do is right-click on the playlist file and click on the edit with Notepad++. After that the file will be opened in Notepad++ so that you can see the channel links and name, such as:
How to Edit m3u Playlists?
Every m3u playlist start with a code #EXTM3U followed by #EXTINF:-1 and channel name. Here, you can rewrite the channel name to change the name of the channel.
Channel name is followed by channel url which every channel has a different url. You can change the channels by replacing the url with the url of another channel. If you type broken link in this channel url, that channel will be unavailable.
Once you are done, you can save the file from File > Save option or by pressing Ctrl+S on your keyboard.
How to Edit m3u_plus Playlists?
These playlists are a little bir different than the regular playlists. Besides the channel name, you are going to find additional information on #EXTINF:-1. However, this will not prevent us to make changes and edit our files the way we want. It is possible to edit them in the same way with the help of Notepad++