prevents your device from going idle or locking the screen. Ideal for home office, remote work, streaming, presentations, or whenever you want to keep your device awake. Whether you're working, reading, or just taking a break.
Note:
is an informational page.Only actually keeps your screen awake and prevents your device from automatically going to sleep—as long as is open, in the foreground, and the active window/tab. If you switch away or minimize, the idle lock will pause.
About the Note App ():
The Note App at is a fully functional, discreet note-taking tool. However, it also secretly keeps your screen awake in the background using a hidden idle lock (technically via the Screen Wake Lock API).
- The idle lock feature is completely hidden in the Note App UI.
- There is no mention of prevent idle, anti-sleep, or similar features anywhere in the app, its About section, or its interface.
- The URL () is different and does not reveal the true purpose.
- To any user, it appears to be a simple, private note-taking app with timer and quick links.
- You will only learn about the hidden idle lock in by visiting .
Click an image to enlarge.
The first screenshot shows the normal (active) state, and the second shows the gray filter when the wake lock is not working or not granted.