Set A and B markers on YouTube, Instagram, or any video URL. Adjust speed, star favorites, and drill the moments that matter.



Simple tools that help you focus on the moments that matter most.
Tap to mark exactly where to start and end. Nudge markers by 1 second or drag them for precision control.
Slow down to 0.25x to catch every detail, or speed up to 2x when you're ready to push the tempo.
Paste any video URL — YouTube, Instagram reels, or direct MP4/WebM links. No downloads needed.
More platforms coming soonFavorite videos for quick access. Search your history and filter by platform to find what you need.
Free on iOS & iPad
Download AB Looper for free on iPhone and iPad. No ads, no subscriptions, no account required.