GUIDE深度 · Deep dive
Local Notepad Privacy
localStorage lives only in the current browser/device and does not sync; it is not an encrypted vault, and others on the device or extensions may read it. Do not store passwords, IDs or card numbers; clear notes and downloads on shared computers.
Clearing browser data, switching devices or closing private mode.
Browser reinstall or profile corruption.
Use a local encryption tool for sensitive content.
Download/back up important notes.
FAQ
Is localStorage encrypted?
No; it is readable on the same device.
Does private mode work?
Yes, but closing the window clears it.