: Use reputable online M3U editors and checkers that do not require downloading executable files to your PC.
It doesn’t just tell you if a link works. The tool provides metadata such as: (SD, HD, FHD, 4K) Video Codec: (H.264, HEVC/H.265) Bitrate: To help you understand the bandwidth required. 3. M3U Playlist Editor IPTV Tools 1.2.1 Premium.zip
If you are looking for tools to manage IPTV lists, consider verified and open-source options: ftk/iptv-tools (GitHub) : Use reputable online M3U editors and checkers