Never use “free” online recorders – most inject their own watermarks (ironically, the very “rekl-” you’re trying to avoid).
No tool can remove server-side ads from streaming – you must download the video first using yt-dlp, then cut the ad segments. AJB mp4 rekl-
If renaming fails, use FFmpeg (command-line, free): Enable “Replay Buffer” – captures the last X
ffmpeg -i input.ajb -c:v libx264 -c:a aac output.mp4
If FFmpeg throws an error, add -f h264 or -f mpegts: Never use “free” online recorders – most inject
ffmpeg -f h264 -i input.ajb -c copy output.mp4