Bimb is a Chrome extension that records a tab, window or your screen and zooms in wherever you click, so demos look edited without editing. Trim, cut or speed up idle time, add a webcam bubble, blur sensitive areas, captions and arrows, then export MP4, WebM or GIF up to 1440p60. Works on Windows, macOS and Linux. No account to record, and recordings never leave your device. Free to record with auto-zoom; Pro is a one-time purchase, no subscription.
Most event loop explainers are static diagrams. This one runs. Watch the call stack, Web APIs, microtask queue and task queue animate your code tick by tick: forward, backward, at any speed.
- Paste your own snippet (setTimeout, promises, async/await, queueMicrotask) and simulate it
- One animation, three explanations: simple, developer, or straight from the HTML spec
- Ready-made scenes like Promise vs setTimeout and microtask starvation
- Interview questions to test yourself
