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A-B Repeat for YouTube™ — HNE Looper lets you loop any part of a YouTube video with precision. Set A (start) and B (end), choose Count (∞ or an exact number), and let it play—perfect for practicing music, language learning, tutorials, workouts, or revising lectures.
Why it’s great
Pinpoint loops: A-B repeat any segment to focus on the exact part you need.
Finite or infinite: Loop forever (∞) or exactly N times (e.g., 10).
Popup-only UI: No on-video overlay; nothing interferes with the player.
Hotkeys that play nice: Single-key controls on the YouTube page (R, [, ], ) don’t hijack Cmd/Ctrl+R reload.
Live badge: See R∞, R10, etc. right on the toolbar.
Works everywhere on YouTube: Watch, Shorts, and YouTube Music.
Features
A-B repeat with start/end markers
Repeat counter: 0 = infinite
Per-video memory (optional)
Global shortcuts configurable in chrome://extensions/shortcuts
Robust player detection (handles SPA navigation)
How to use
Open a video on YouTube/Shorts/Music.
Click the extension icon to open the popup.
Click Set A, Set B, choose Count, then Repeat.
On-page keys (YouTube tab focused): R = toggle, [ = Set A, ] = Set B, \ = Clear.
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