Repeat for YouTube™ A-B — HNE Looper

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.